/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:08:45,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:08:45,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:08:45,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:08:45,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:08:45,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:08:45,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:08:45,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:08:45,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:08:45,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:08:45,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:08:45,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:08:45,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:08:45,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:08:45,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:08:45,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:08:45,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:08:45,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:08:45,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:08:45,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:08:45,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:08:45,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:08:45,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:08:45,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:08:45,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:08:45,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:08:45,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:08:45,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:08:45,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:08:45,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:08:45,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:08:45,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:08:45,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:08:45,913 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:08:45,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:08:45,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:08:45,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:08:45,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:08:45,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:08:45,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:08:45,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:08:45,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:08:45,915 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:08:45,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:08:45,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:08:45,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:08:45,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:08:45,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:08:45,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:08:45,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:08:45,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:45,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:08:45,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:08:45,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:08:45,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:08:45,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:08:45,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:08:45,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:08:45,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:08:46,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:08:46,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:08:46,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:08:46,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:08:46,256 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:08:46,257 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-07-17 12:08:46,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ce97a5d/3e6d1efa06c14c4ab734a7ef93ad8720/FLAGef9924dc0 [2020-07-17 12:08:46,919 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:08:46,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-07-17 12:08:46,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ce97a5d/3e6d1efa06c14c4ab734a7ef93ad8720/FLAGef9924dc0 [2020-07-17 12:08:47,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ce97a5d/3e6d1efa06c14c4ab734a7ef93ad8720 [2020-07-17 12:08:47,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:08:47,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:08:47,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:47,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:08:47,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:08:47,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:47" (1/1) ... [2020-07-17 12:08:47,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf67ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:47, skipping insertion in model container [2020-07-17 12:08:47,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:47" (1/1) ... [2020-07-17 12:08:47,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:08:47,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:08:47,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:47,952 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:08:48,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:48,059 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:08:48,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48 WrapperNode [2020-07-17 12:08:48,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:48,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:08:48,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:08:48,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:08:48,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... [2020-07-17 12:08:48,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:08:48,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:08:48,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:08:48,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:08:48,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:08:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:08:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:08:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:08:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:08:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:08:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:08:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:08:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:08:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:08:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:08:49,662 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:08:49,663 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:08:49,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:49 BoogieIcfgContainer [2020-07-17 12:08:49,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:08:49,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:08:49,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:08:49,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:08:49,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:08:47" (1/3) ... [2020-07-17 12:08:49,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e88f20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:49, skipping insertion in model container [2020-07-17 12:08:49,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:48" (2/3) ... [2020-07-17 12:08:49,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e88f20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:49, skipping insertion in model container [2020-07-17 12:08:49,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:49" (3/3) ... [2020-07-17 12:08:49,679 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-07-17 12:08:49,693 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:08:49,703 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:08:49,720 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:08:49,750 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:08:49,750 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:08:49,751 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:08:49,751 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:08:49,751 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:08:49,751 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:08:49,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:08:49,752 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:08:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-17 12:08:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-17 12:08:49,790 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:49,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:49,792 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-07-17 12:08:49,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:49,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518556107] [2020-07-17 12:08:49,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:50,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518556107] [2020-07-17 12:08:50,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:50,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:08:50,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061069234] [2020-07-17 12:08:50,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:08:50,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:50,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:08:50,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:08:50,248 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-17 12:08:52,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:52,497 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-17 12:08:52,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:08:52,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-07-17 12:08:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:52,517 INFO L225 Difference]: With dead ends: 730 [2020-07-17 12:08:52,517 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 12:08:52,526 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 [2020-07-17 12:08:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 12:08:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-17 12:08:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-17 12:08:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-17 12:08:52,631 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 40 [2020-07-17 12:08:52,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:52,632 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-17 12:08:52,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:08:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-17 12:08:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-17 12:08:52,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:52,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:52,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:08:52,645 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-07-17 12:08:52,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:52,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903804982] [2020-07-17 12:08:52,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:52,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903804982] [2020-07-17 12:08:52,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:52,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:52,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861425602] [2020-07-17 12:08:52,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:52,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:52,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:52,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:52,988 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-17 12:08:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:55,052 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-07-17 12:08:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 12:08:55,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-07-17 12:08:55,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:55,064 INFO L225 Difference]: With dead ends: 1490 [2020-07-17 12:08:55,065 INFO L226 Difference]: Without dead ends: 1055 [2020-07-17 12:08:55,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-17 12:08:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-07-17 12:08:55,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-07-17 12:08:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-07-17 12:08:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-07-17 12:08:55,149 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 122 [2020-07-17 12:08:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:55,150 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-07-17 12:08:55,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-07-17 12:08:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-17 12:08:55,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:55,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:55,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:08:55,156 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:55,157 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-07-17 12:08:55,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:55,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477686451] [2020-07-17 12:08:55,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:55,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477686451] [2020-07-17 12:08:55,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:55,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:55,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566984182] [2020-07-17 12:08:55,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:55,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:55,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:55,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:55,489 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-07-17 12:08:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:57,059 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-07-17 12:08:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 12:08:57,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-07-17 12:08:57,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:57,075 INFO L225 Difference]: With dead ends: 1822 [2020-07-17 12:08:57,075 INFO L226 Difference]: Without dead ends: 1083 [2020-07-17 12:08:57,080 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 [2020-07-17 12:08:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-17 12:08:57,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-07-17 12:08:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-07-17 12:08:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-07-17 12:08:57,142 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 162 [2020-07-17 12:08:57,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:57,143 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-07-17 12:08:57,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:57,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-07-17 12:08:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-17 12:08:57,159 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:57,160 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, 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] [2020-07-17 12:08:57,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:08:57,160 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:57,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:57,161 INFO L82 PathProgramCache]: Analyzing trace with hash -910777059, now seen corresponding path program 1 times [2020-07-17 12:08:57,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:57,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612679499] [2020-07-17 12:08:57,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:08:57,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612679499] [2020-07-17 12:08:57,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244570249] [2020-07-17 12:08:57,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:57,589 INFO L264 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:57,620 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:57,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:08:57,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:08:57,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593833062] [2020-07-17 12:08:57,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:08:57,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:57,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:08:57,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:08:57,770 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 10 states. [2020-07-17 12:09:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:00,030 INFO L93 Difference]: Finished difference Result 2871 states and 3866 transitions. [2020-07-17 12:09:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 12:09:00,031 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-07-17 12:09:00,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:00,041 INFO L225 Difference]: With dead ends: 2871 [2020-07-17 12:09:00,042 INFO L226 Difference]: Without dead ends: 1822 [2020-07-17 12:09:00,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-07-17 12:09:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-07-17 12:09:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1504. [2020-07-17 12:09:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-07-17 12:09:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1887 transitions. [2020-07-17 12:09:00,098 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1887 transitions. Word has length 208 [2020-07-17 12:09:00,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:00,099 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1887 transitions. [2020-07-17 12:09:00,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:09:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1887 transitions. [2020-07-17 12:09:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-17 12:09:00,104 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:00,104 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, 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] [2020-07-17 12:09:00,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:00,319 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:00,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:00,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2063499112, now seen corresponding path program 1 times [2020-07-17 12:09:00,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:00,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440635535] [2020-07-17 12:09:00,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:09:00,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440635535] [2020-07-17 12:09:00,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948235882] [2020-07-17 12:09:00,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:00,697 INFO L264 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:09:00,712 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:09:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 12:09:00,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:09:00,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:09:00,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879720194] [2020-07-17 12:09:00,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:09:00,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:00,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:09:00,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:09:00,779 INFO L87 Difference]: Start difference. First operand 1504 states and 1887 transitions. Second operand 3 states. [2020-07-17 12:09:01,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:01,382 INFO L93 Difference]: Finished difference Result 3002 states and 3772 transitions. [2020-07-17 12:09:01,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:09:01,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-07-17 12:09:01,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:01,394 INFO L225 Difference]: With dead ends: 3002 [2020-07-17 12:09:01,395 INFO L226 Difference]: Without dead ends: 1504 [2020-07-17 12:09:01,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:09:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-07-17 12:09:01,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1361. [2020-07-17 12:09:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2020-07-17 12:09:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1663 transitions. [2020-07-17 12:09:01,445 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1663 transitions. Word has length 209 [2020-07-17 12:09:01,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:01,447 INFO L479 AbstractCegarLoop]: Abstraction has 1361 states and 1663 transitions. [2020-07-17 12:09:01,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:09:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2020-07-17 12:09:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-17 12:09:01,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:01,453 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, 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] [2020-07-17 12:09:01,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:01,670 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:01,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:01,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1055956540, now seen corresponding path program 1 times [2020-07-17 12:09:01,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:01,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241539325] [2020-07-17 12:09:01,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:09:01,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241539325] [2020-07-17 12:09:01,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754747437] [2020-07-17 12:09:01,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:02,049 INFO L264 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 12:09:02,052 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:09:02,087 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-17 12:09:02,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:09:02,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-07-17 12:09:02,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120567108] [2020-07-17 12:09:02,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:09:02,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:02,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:09:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:09:02,128 INFO L87 Difference]: Start difference. First operand 1361 states and 1663 transitions. Second operand 5 states. [2020-07-17 12:09:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:03,408 INFO L93 Difference]: Finished difference Result 2889 states and 3525 transitions. [2020-07-17 12:09:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:09:03,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-17 12:09:03,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:03,421 INFO L225 Difference]: With dead ends: 2889 [2020-07-17 12:09:03,422 INFO L226 Difference]: Without dead ends: 1534 [2020-07-17 12:09:03,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:09:03,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-07-17 12:09:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1363. [2020-07-17 12:09:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-07-17 12:09:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1637 transitions. [2020-07-17 12:09:03,523 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1637 transitions. Word has length 215 [2020-07-17 12:09:03,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:03,523 INFO L479 AbstractCegarLoop]: Abstraction has 1363 states and 1637 transitions. [2020-07-17 12:09:03,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:09:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1637 transitions. [2020-07-17 12:09:03,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-17 12:09:03,537 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:03,537 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:09:03,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:03,753 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:03,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:03,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2133941150, now seen corresponding path program 1 times [2020-07-17 12:09:03,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:03,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441252581] [2020-07-17 12:09:03,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 107 proven. 218 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 12:09:04,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441252581] [2020-07-17 12:09:04,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780526952] [2020-07-17 12:09:04,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:04,468 INFO L264 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:09:04,475 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:09:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-17 12:09:04,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:09:04,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-17 12:09:04,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015239887] [2020-07-17 12:09:04,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 12:09:04,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:04,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 12:09:04,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:09:04,732 INFO L87 Difference]: Start difference. First operand 1363 states and 1637 transitions. Second operand 13 states. [2020-07-17 12:09:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:10,333 INFO L93 Difference]: Finished difference Result 5357 states and 6700 transitions. [2020-07-17 12:09:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-17 12:09:10,334 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 294 [2020-07-17 12:09:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:10,346 INFO L225 Difference]: With dead ends: 5357 [2020-07-17 12:09:10,347 INFO L226 Difference]: Without dead ends: 2797 [2020-07-17 12:09:10,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 12:09:10,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2020-07-17 12:09:10,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1347. [2020-07-17 12:09:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-07-17 12:09:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1564 transitions. [2020-07-17 12:09:10,402 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1564 transitions. Word has length 294 [2020-07-17 12:09:10,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:10,403 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1564 transitions. [2020-07-17 12:09:10,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 12:09:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1564 transitions. [2020-07-17 12:09:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-17 12:09:10,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:10,410 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:09:10,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:10,625 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:10,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:10,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741542, now seen corresponding path program 1 times [2020-07-17 12:09:10,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:10,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706545769] [2020-07-17 12:09:10,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 174 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 12:09:11,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706545769] [2020-07-17 12:09:11,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988724521] [2020-07-17 12:09:11,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:11,407 INFO L264 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 12:09:11,413 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:09:11,445 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:11,448 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:11,450 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,454 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,456 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,460 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,465 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,469 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:11,474 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:11,475 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,476 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,481 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,484 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,489 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,492 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:11,498 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,501 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,507 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,510 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:11,511 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,513 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,516 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,517 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,518 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:11,520 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:11,525 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:26,821 WARN L193 SmtUtils]: Spent 12.28 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-17 12:09:26,897 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-17 12:09:27,018 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-17 12:09:27,018 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:27,019 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:27,050 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 315 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-17 12:09:27,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:09:27,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-17 12:09:27,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747650732] [2020-07-17 12:09:27,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 12:09:27,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 12:09:27,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2020-07-17 12:09:27,173 INFO L87 Difference]: Start difference. First operand 1347 states and 1564 transitions. Second operand 17 states. [2020-07-17 12:09:36,449 WARN L193 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-07-17 12:10:08,208 WARN L193 SmtUtils]: Spent 29.02 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-07-17 12:10:16,346 WARN L193 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-07-17 12:10:17,856 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-07-17 12:10:19,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:10:19,620 INFO L93 Difference]: Finished difference Result 4021 states and 4868 transitions. [2020-07-17 12:10:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 12:10:19,621 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 330 [2020-07-17 12:10:19,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:10:19,633 INFO L225 Difference]: With dead ends: 4021 [2020-07-17 12:10:19,633 INFO L226 Difference]: Without dead ends: 2823 [2020-07-17 12:10:19,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 62.3s TimeCoverageRelationStatistics Valid=305, Invalid=1254, Unknown=1, NotChecked=0, Total=1560 [2020-07-17 12:10:19,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-07-17 12:10:19,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2664. [2020-07-17 12:10:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2664 states. [2020-07-17 12:10:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3132 transitions. [2020-07-17 12:10:19,714 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3132 transitions. Word has length 330 [2020-07-17 12:10:19,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:10:19,715 INFO L479 AbstractCegarLoop]: Abstraction has 2664 states and 3132 transitions. [2020-07-17 12:10:19,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 12:10:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3132 transitions. [2020-07-17 12:10:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-07-17 12:10:19,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:10:19,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:10:19,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:10:19,940 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:10:19,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:10:19,941 INFO L82 PathProgramCache]: Analyzing trace with hash -924465415, now seen corresponding path program 1 times [2020-07-17 12:10:19,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:10:19,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105106816] [2020-07-17 12:10:19,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:10:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-17 12:10:20,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105106816] [2020-07-17 12:10:20,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825563898] [2020-07-17 12:10:20,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:10:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:20,539 INFO L264 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-17 12:10:20,558 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:10:20,572 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:10:20,574 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:10:20,577 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:10:20,580 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:10:20,581 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:10:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-17 12:10:20,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:10:20,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-17 12:10:20,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261118594] [2020-07-17 12:10:20,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:10:20,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:10:20,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:10:20,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:10:20,690 INFO L87 Difference]: Start difference. First operand 2664 states and 3132 transitions. Second operand 3 states. [2020-07-17 12:10:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:10:21,680 INFO L93 Difference]: Finished difference Result 6041 states and 7282 transitions. [2020-07-17 12:10:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:10:21,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-07-17 12:10:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:10:21,684 INFO L225 Difference]: With dead ends: 6041 [2020-07-17 12:10:21,684 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:10:21,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:10:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:10:21,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:10:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:10:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:10:21,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-07-17 12:10:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:10:21,696 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:10:21,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:10:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:10:21,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:10:21,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:10:21,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:10:22,463 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2020-07-17 12:10:22,647 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2020-07-17 12:10:22,801 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2020-07-17 12:10:24,095 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2020-07-17 12:10:24,937 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2020-07-17 12:10:25,773 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2020-07-17 12:10:25,778 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:10:25,778 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-17 12:10:25,778 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,779 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-17 12:10:25,780 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-17 12:10:25,781 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-17 12:10:25,782 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-17 12:10:25,783 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-17 12:10:25,783 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-17 12:10:25,783 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-07-17 12:10:25,783 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-17 12:10:25,783 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,783 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-17 12:10:25,784 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,785 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-17 12:10:25,786 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-17 12:10:25,787 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-17 12:10:25,788 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,789 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-17 12:10:25,790 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-17 12:10:25,791 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,792 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:10:25,793 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,794 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-17 12:10:25,795 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 12:10:25,796 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 12:10:25,796 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-17 12:10:25,796 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-17 12:10:25,796 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-17 12:10:25,796 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-17 12:10:25,801 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or (= 7 |old(~a19~0)|) .cse1 .cse0) (or .cse0 (not (<= |old(~a10~0)| 1))) (or (not (<= |old(~a1~0)| 206)) .cse1 (not (= 2 |old(~a10~0)|)) .cse0))) [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,802 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-17 12:10:25,803 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-17 12:10:25,804 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-17 12:10:25,804 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-17 12:10:25,804 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-17 12:10:25,804 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-17 12:10:25,804 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-17 12:10:25,804 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,808 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,808 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,808 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 12:10:25,809 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,810 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 12:10:25,811 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-17 12:10:25,812 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-17 12:10:25,812 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-17 12:10:25,812 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-17 12:10:25,812 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-17 12:10:25,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:10:25,812 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-17 12:10:25,812 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:10:25,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:10:25,813 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-17 12:10:25,813 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:10:25,813 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse0 (<= ~a10~0 1)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse1 (not (= 7 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 .cse3) (and (= 2 ~a10~0) .cse2 .cse1 (<= ~a1~0 206)) (and .cse0 .cse2) (and (= ~a10~0 |old(~a10~0)|) .cse3 (= ~a1~0 |old(~a1~0)|)))) [2020-07-17 12:10:25,813 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 12:10:25,813 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-17 12:10:25,813 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse0 (<= ~a10~0 1)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse1 (not (= 7 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 .cse3) (and (= 2 ~a10~0) .cse2 .cse1 (<= ~a1~0 206)) (and .cse0 .cse2) (and (= ~a10~0 |old(~a10~0)|) .cse3 (= ~a1~0 |old(~a1~0)|)))) [2020-07-17 12:10:25,814 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:10:25,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:10:25 BoogieIcfgContainer [2020-07-17 12:10:25,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:10:25,847 INFO L168 Benchmark]: Toolchain (without parser) took 98586.59 ms. Allocated memory was 144.7 MB in the beginning and 588.8 MB in the end (delta: 444.1 MB). Free memory was 99.5 MB in the beginning and 524.3 MB in the end (delta: -424.8 MB). Peak memory consumption was 462.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:25,848 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:10:25,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.52 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 99.2 MB in the beginning and 171.1 MB in the end (delta: -71.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:25,850 INFO L168 Benchmark]: Boogie Preprocessor took 103.39 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:25,851 INFO L168 Benchmark]: RCFGBuilder took 1504.45 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 166.1 MB in the beginning and 181.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:25,852 INFO L168 Benchmark]: TraceAbstraction took 96174.57 ms. Allocated memory was 235.9 MB in the beginning and 588.8 MB in the end (delta: 352.8 MB). Free memory was 181.6 MB in the beginning and 524.3 MB in the end (delta: -342.7 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:25,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.52 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 99.2 MB in the beginning and 171.1 MB in the end (delta: -71.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.39 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1504.45 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 166.1 MB in the beginning and 181.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 96174.57 ms. Allocated memory was 235.9 MB in the beginning and 588.8 MB in the end (delta: 352.8 MB). Free memory was 181.6 MB in the beginning and 524.3 MB in the end (delta: -342.7 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: ((((((((((((a10 <= 1 && a19 <= 8) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a19 <= 8 && !(7 == a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || !(0 == a12)) || ((0 == \old(a10) || \old(a1) + 13 <= 0) && a19 == \old(a19))) || (((2 == a10 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && a19 <= 8) && a1 <= 206)) || (a10 <= 1 && (0 == \old(a10) || \old(a1) + 13 <= 0))) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 92.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 69.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 5869 SDslu, 526 SDs, 0 SdLazy, 13309 SolverSat, 2220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1816 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 64.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2664occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2585 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 179 NumberOfFragments, 363 HoareAnnotationTreeSize, 109 FomulaSimplifications, 53876 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17543 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 3534 NumberOfCodeBlocks, 3534 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3519 ConstructedInterpolants, 6 QuantifiedInterpolants, 2126224 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2756 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2440/2988 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...