/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_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:52:43,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:52:43,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:52:43,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:52:43,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:52:43,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:52:43,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:52:43,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:52:43,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:52:43,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:52:43,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:52:43,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:52:43,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:52:43,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:52:43,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:52:43,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:52:43,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:52:43,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:52:43,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:52:43,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:52:43,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:52:43,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:52:43,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:52:43,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:52:43,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:52:43,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:52:43,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:52:43,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:52:43,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:52:43,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:52:43,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:52:43,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:52:43,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:52:43,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:52:43,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:52:43,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:52:43,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:52:43,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:52:43,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:52:43,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:52:43,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:52:43,802 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 16:52:43,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:52:43,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:52:43,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:52:43,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:52:43,844 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:52:43,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:52:43,845 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:52:43,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:52:43,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:52:43,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:52:43,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:52:43,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:52:43,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:52:43,847 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:52:43,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:52:43,848 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:52:43,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:52:43,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:52:43,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:52:43,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:52:43,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:52:43,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:52:43,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:52:43,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:52:43,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:52:43,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:52:43,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:52:43,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:52:43,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:52:43,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:52:44,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:52:44,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:52:44,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:52:44,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:52:44,177 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:52:44,178 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-08-22 16:52:44,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a892abbb/a5109e4a1bf3444d896bbd4466d5ddee/FLAGf36b99aa1 [2020-08-22 16:52:44,796 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:52:44,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-08-22 16:52:44,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a892abbb/a5109e4a1bf3444d896bbd4466d5ddee/FLAGf36b99aa1 [2020-08-22 16:52:45,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a892abbb/a5109e4a1bf3444d896bbd4466d5ddee [2020-08-22 16:52:45,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:52:45,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:52:45,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:52:45,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:52:45,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:52:45,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc06ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45, skipping insertion in model container [2020-08-22 16:52:45,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:52:45,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:52:45,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:52:45,674 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:52:45,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:52:45,886 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:52:45,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45 WrapperNode [2020-08-22 16:52:45,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:52:45,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:52:45,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:52:45,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:52:45,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (1/1) ... [2020-08-22 16:52:45,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:52:45,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:52:45,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:52:45,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:52:45,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (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 16:52:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:52:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:52:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:52:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:52:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:52:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:52:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:52:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:52:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:52:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:52:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:52:47,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:52:47,346 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:52:47,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:52:47 BoogieIcfgContainer [2020-08-22 16:52:47,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:52:47,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:52:47,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:52:47,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:52:47,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:52:45" (1/3) ... [2020-08-22 16:52:47,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bc5a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:52:47, skipping insertion in model container [2020-08-22 16:52:47,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:45" (2/3) ... [2020-08-22 16:52:47,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bc5a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:52:47, skipping insertion in model container [2020-08-22 16:52:47,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:52:47" (3/3) ... [2020-08-22 16:52:47,375 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2020-08-22 16:52:47,385 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:52:47,396 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:52:47,411 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:52:47,445 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:52:47,446 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:52:47,446 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:52:47,446 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:52:47,447 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:52:47,447 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:52:47,447 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:52:47,447 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:52:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 16:52:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 16:52:47,479 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:47,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:47,481 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:47,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:47,487 INFO L82 PathProgramCache]: Analyzing trace with hash 951236199, now seen corresponding path program 1 times [2020-08-22 16:52:47,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:47,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104295776] [2020-08-22 16:52:47,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:47,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:47,919 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 16:52:47,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104295776] [2020-08-22 16:52:47,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:52:47,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:52:47,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544982183] [2020-08-22 16:52:47,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:52:47,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:47,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:52:47,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:52:47,948 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-22 16:52:50,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:50,048 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-22 16:52:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:52:50,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-08-22 16:52:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:50,068 INFO L225 Difference]: With dead ends: 730 [2020-08-22 16:52:50,069 INFO L226 Difference]: Without dead ends: 447 [2020-08-22 16:52:50,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:52:50,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-22 16:52:50,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-22 16:52:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-22 16:52:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-22 16:52:50,160 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 54 [2020-08-22 16:52:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:50,161 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-22 16:52:50,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:52:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-22 16:52:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-22 16:52:50,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:50,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:52:50,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:52:50,172 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:50,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:50,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1775161813, now seen corresponding path program 1 times [2020-08-22 16:52:50,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:50,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880447857] [2020-08-22 16:52:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:50,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:50,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880447857] [2020-08-22 16:52:50,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558486511] [2020-08-22 16:52:50,474 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 16:52:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:50,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:50,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:50,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:50,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-08-22 16:52:50,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110907825] [2020-08-22 16:52:50,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:52:50,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:52:50,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:52:50,692 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 3 states. [2020-08-22 16:52:51,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:51,438 INFO L93 Difference]: Finished difference Result 1309 states and 2027 transitions. [2020-08-22 16:52:51,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:52:51,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-08-22 16:52:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:51,455 INFO L225 Difference]: With dead ends: 1309 [2020-08-22 16:52:51,456 INFO L226 Difference]: Without dead ends: 874 [2020-08-22 16:52:51,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:52:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-08-22 16:52:51,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 729. [2020-08-22 16:52:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-08-22 16:52:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1022 transitions. [2020-08-22 16:52:51,509 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1022 transitions. Word has length 173 [2020-08-22 16:52:51,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:51,510 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 1022 transitions. [2020-08-22 16:52:51,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:52:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1022 transitions. [2020-08-22 16:52:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-08-22 16:52:51,521 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:51,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:52:51,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-08-22 16:52:51,735 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:51,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:51,736 INFO L82 PathProgramCache]: Analyzing trace with hash 616106426, now seen corresponding path program 1 times [2020-08-22 16:52:51,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:51,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695081068] [2020-08-22 16:52:51,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:51,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:52,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695081068] [2020-08-22 16:52:52,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:52:52,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:52:52,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27525677] [2020-08-22 16:52:52,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:52:52,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:52,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:52:52,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:52:52,031 INFO L87 Difference]: Start difference. First operand 729 states and 1022 transitions. Second operand 8 states. [2020-08-22 16:52:53,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:53,586 INFO L93 Difference]: Finished difference Result 1629 states and 2352 transitions. [2020-08-22 16:52:53,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:52:53,587 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-08-22 16:52:53,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:53,593 INFO L225 Difference]: With dead ends: 1629 [2020-08-22 16:52:53,593 INFO L226 Difference]: Without dead ends: 906 [2020-08-22 16:52:53,595 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 16:52:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-22 16:52:53,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 884. [2020-08-22 16:52:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-08-22 16:52:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1185 transitions. [2020-08-22 16:52:53,628 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1185 transitions. Word has length 180 [2020-08-22 16:52:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:53,629 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1185 transitions. [2020-08-22 16:52:53,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:52:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1185 transitions. [2020-08-22 16:52:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-08-22 16:52:53,635 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:53,635 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:53,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:52:53,636 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:53,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:53,636 INFO L82 PathProgramCache]: Analyzing trace with hash -183262311, now seen corresponding path program 1 times [2020-08-22 16:52:53,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:53,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369697594] [2020-08-22 16:52:53,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:53,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:53,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 16:52:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 94 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:52:53,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369697594] [2020-08-22 16:52:53,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371703414] [2020-08-22 16:52:53,869 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 16:52:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:53,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 6 conjunts are in the unsatisfiable core [2020-08-22 16:52:53,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-08-22 16:52:54,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:54,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2020-08-22 16:52:54,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204205961] [2020-08-22 16:52:54,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:52:54,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:54,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:52:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:52:54,087 INFO L87 Difference]: Start difference. First operand 884 states and 1185 transitions. Second operand 5 states. [2020-08-22 16:52:55,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:55,104 INFO L93 Difference]: Finished difference Result 2539 states and 3605 transitions. [2020-08-22 16:52:55,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:52:55,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2020-08-22 16:52:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:55,106 INFO L225 Difference]: With dead ends: 2539 [2020-08-22 16:52:55,106 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:52:55,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:52:55,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:52:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:52:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:52:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:52:55,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2020-08-22 16:52:55,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:55,116 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:52:55,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:52:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:52:55,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:52:55,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:55,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:52:55,836 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-08-22 16:52:55,939 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:52:55,940 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 16:52:55,940 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:52:55,940 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 16:52:55,941 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,941 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,941 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,942 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,942 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,942 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,942 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 16:52:55,942 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 16:52:55,942 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 16:52:55,943 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,944 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 16:52:55,945 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 16:52:55,946 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 16:52:55,946 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 16:52:55,946 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 16:52:55,946 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 16:52:55,946 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,947 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,948 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 16:52:55,948 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:52:55,948 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 16:52:55,948 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 16:52:55,948 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 16:52:55,948 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,949 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 16:52:55,950 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 16:52:55,951 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:52:55,952 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 16:52:55,953 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,954 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 16:52:55,955 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 16:52:55,956 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,957 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 16:52:55,958 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,959 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 16:52:55,960 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:52:55,961 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 16:52:55,961 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 16:52:55,961 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 16:52:55,961 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 16:52:55,961 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 16:52:55,961 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 16:52:55,962 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 16:52:55,962 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (<= |old(~a1~0)| 23))) (or .cse0 (not (<= 3 |old(~a10~0)|))) (or (= 6 |old(~a19~0)|) .cse0))) [2020-08-22 16:52:55,962 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 16:52:55,962 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 16:52:55,962 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 16:52:55,962 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,962 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:52:55,963 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 16:52:55,964 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,965 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 16:52:55,966 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 16:52:55,967 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 16:52:55,968 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 16:52:55,969 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 16:52:55,970 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 16:52:55,970 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 16:52:55,970 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:52:55,970 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 16:52:55,970 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:52:55,970 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:52:55,971 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9))) [2020-08-22 16:52:55,971 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 16:52:55,971 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 3 ~a10~0) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= ~a19~0 6)) (not (<= |old(~a19~0)| 9)) (<= ~a1~0 23)) [2020-08-22 16:52:55,971 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 16:52:55,971 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 16:52:55,971 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 3 ~a10~0) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= ~a19~0 6)) (not (<= |old(~a19~0)| 9)) (<= ~a1~0 23)) [2020-08-22 16:52:55,971 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 16:52:55,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:52:55 BoogieIcfgContainer [2020-08-22 16:52:55,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:52:55,997 INFO L168 Benchmark]: Toolchain (without parser) took 10901.84 ms. Allocated memory was 141.0 MB in the beginning and 374.3 MB in the end (delta: 233.3 MB). Free memory was 103.1 MB in the beginning and 277.8 MB in the end (delta: -174.8 MB). Peak memory consumption was 246.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:55,999 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:52:56,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.94 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 169.7 MB in the end (delta: -66.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:56,006 INFO L168 Benchmark]: Boogie Preprocessor took 106.99 ms. Allocated memory is still 206.0 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:56,007 INFO L168 Benchmark]: RCFGBuilder took 1363.08 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 176.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:56,008 INFO L168 Benchmark]: TraceAbstraction took 8634.84 ms. Allocated memory was 238.0 MB in the beginning and 374.3 MB in the end (delta: 136.3 MB). Free memory was 176.9 MB in the beginning and 277.8 MB in the end (delta: -100.9 MB). Peak memory consumption was 222.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:56,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.94 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 169.7 MB in the end (delta: -66.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.99 ms. Allocated memory is still 206.0 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1363.08 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 176.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8634.84 ms. Allocated memory was 238.0 MB in the beginning and 374.3 MB in the end (delta: 136.3 MB). Free memory was 176.9 MB in the beginning and 277.8 MB in the end (delta: -100.9 MB). Peak memory consumption was 222.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: ((((3 <= a10 || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || !(a19 == 6)) || !(\old(a19) <= 9)) || a1 <= 23 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.8s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 296 SDtfs, 1700 SDslu, 110 SDs, 0 SdLazy, 2668 SolverSat, 765 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 464 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 173 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 37 PreInvPairs, 69 NumberOfFragments, 159 HoareAnnotationTreeSize, 37 FomulaSimplifications, 2522 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 611 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1084 NumberOfCodeBlocks, 1084 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1078 ConstructedInterpolants, 0 QuantifiedInterpolants, 414530 SizeOfPredicates, 4 NumberOfNonLiveVariables, 735 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 405/473 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...