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/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:03:09,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:03:09,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:03:09,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:03:09,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:03:09,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:03:09,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:03:09,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:03:09,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:03:09,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:03:09,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:03:09,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:03:09,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:03:09,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:03:09,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:03:09,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:03:09,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:03:09,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:03:09,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:03:09,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:03:09,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:03:09,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:03:09,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:03:09,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:03:09,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 18:03:09,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:03:09,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:03:09,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:03:09,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:03:09,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:03:09,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:03:09,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:03:09,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:03:09,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:03:09,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:03:09,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:03:09,125 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 [2019-10-13 18:03:09,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:03:09,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:03:09,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:03:09,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:03:09,154 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:03:09,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:03:09,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:03:09,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:03:09,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:03:09,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:03:09,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:03:09,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:03:09,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:03:09,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:03:09,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:03:09,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:03:09,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:03:09,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:03:09,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:03:09,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:03:09,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:03:09,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:03:09,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:03:09,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:03:09,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:03:09,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:03:09,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:03:09,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:03:09,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:03:09,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:03:09,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:03:09,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:03:09,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:03:09,479 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:03:09,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2019-10-13 18:03:09,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6182db3/1e3177969c7d4e7691020a20429ce56e/FLAGc7e9a6086 [2019-10-13 18:03:10,192 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:03:10,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2019-10-13 18:03:10,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6182db3/1e3177969c7d4e7691020a20429ce56e/FLAGc7e9a6086 [2019-10-13 18:03:10,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6182db3/1e3177969c7d4e7691020a20429ce56e [2019-10-13 18:03:10,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:03:10,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:03:10,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:03:10,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:03:10,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:03:10,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:03:10" (1/1) ... [2019-10-13 18:03:10,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b66671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:10, skipping insertion in model container [2019-10-13 18:03:10,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:03:10" (1/1) ... [2019-10-13 18:03:10,404 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:03:10,468 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:03:11,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:03:11,120 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:03:11,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:03:11,264 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:03:11,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11 WrapperNode [2019-10-13 18:03:11,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:03:11,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:03:11,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:03:11,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:03:11,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (1/1) ... [2019-10-13 18:03:11,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:03:11,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:03:11,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:03:11,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:03:11,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (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 [2019-10-13 18:03:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:03:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:03:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 18:03:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:03:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 18:03:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:03:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:03:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 18:03:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:03:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:03:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:03:12,924 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:03:12,925 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 18:03:12,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:03:12 BoogieIcfgContainer [2019-10-13 18:03:12,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:03:12,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:03:12,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:03:12,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:03:12,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:03:10" (1/3) ... [2019-10-13 18:03:12,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8bc94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:03:12, skipping insertion in model container [2019-10-13 18:03:12,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:03:11" (2/3) ... [2019-10-13 18:03:12,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8bc94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:03:12, skipping insertion in model container [2019-10-13 18:03:12,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:03:12" (3/3) ... [2019-10-13 18:03:12,937 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2019-10-13 18:03:12,950 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:03:12,959 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:03:12,971 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:03:13,001 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:03:13,001 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:03:13,002 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:03:13,002 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:03:13,002 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:03:13,002 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:03:13,002 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:03:13,002 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:03:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2019-10-13 18:03:13,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 18:03:13,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:13,038 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:03:13,040 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:13,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:13,046 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2019-10-13 18:03:13,055 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:13,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114775379] [2019-10-13 18:03:13,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:13,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:13,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:13,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114775379] [2019-10-13 18:03:13,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:03:13,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 18:03:13,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617035047] [2019-10-13 18:03:13,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 18:03:13,501 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:13,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 18:03:13,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:03:13,518 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2019-10-13 18:03:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:16,263 INFO L93 Difference]: Finished difference Result 902 states and 1627 transitions. [2019-10-13 18:03:16,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:03:16,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-13 18:03:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:16,286 INFO L225 Difference]: With dead ends: 902 [2019-10-13 18:03:16,286 INFO L226 Difference]: Without dead ends: 564 [2019-10-13 18:03:16,296 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-13 18:03:16,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2019-10-13 18:03:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-10-13 18:03:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 812 transitions. [2019-10-13 18:03:16,408 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 812 transitions. Word has length 56 [2019-10-13 18:03:16,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:16,408 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 812 transitions. [2019-10-13 18:03:16,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 18:03:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 812 transitions. [2019-10-13 18:03:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-13 18:03:16,419 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:16,419 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 18:03:16,420 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:16,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:16,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1494193826, now seen corresponding path program 1 times [2019-10-13 18:03:16,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:16,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307014427] [2019-10-13 18:03:16,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:16,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:16,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:16,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307014427] [2019-10-13 18:03:16,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037995860] [2019-10-13 18:03:16,753 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 [2019-10-13 18:03:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:16,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:16,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:17,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 18:03:17,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 18:03:17,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286773148] [2019-10-13 18:03:17,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 18:03:17,022 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:17,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 18:03:17,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:17,023 INFO L87 Difference]: Start difference. First operand 560 states and 812 transitions. Second operand 3 states. [2019-10-13 18:03:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:17,982 INFO L93 Difference]: Finished difference Result 1114 states and 1633 transitions. [2019-10-13 18:03:17,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 18:03:17,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-13 18:03:17,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:17,992 INFO L225 Difference]: With dead ends: 1114 [2019-10-13 18:03:17,992 INFO L226 Difference]: Without dead ends: 1112 [2019-10-13 18:03:17,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2019-10-13 18:03:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 744. [2019-10-13 18:03:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2019-10-13 18:03:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1117 transitions. [2019-10-13 18:03:18,047 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1117 transitions. Word has length 168 [2019-10-13 18:03:18,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:18,048 INFO L462 AbstractCegarLoop]: Abstraction has 744 states and 1117 transitions. [2019-10-13 18:03:18,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 18:03:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1117 transitions. [2019-10-13 18:03:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 18:03:18,058 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:18,058 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 18:03:18,262 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:18,262 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:18,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash 502777661, now seen corresponding path program 1 times [2019-10-13 18:03:18,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:18,265 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959045577] [2019-10-13 18:03:18,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:18,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:18,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:18,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959045577] [2019-10-13 18:03:18,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302308103] [2019-10-13 18:03:18,598 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 [2019-10-13 18:03:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:18,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:18,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:18,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 18:03:18,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 18:03:18,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44309924] [2019-10-13 18:03:18,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 18:03:18,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:18,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 18:03:18,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:18,741 INFO L87 Difference]: Start difference. First operand 744 states and 1117 transitions. Second operand 3 states. [2019-10-13 18:03:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:19,707 INFO L93 Difference]: Finished difference Result 1480 states and 2249 transitions. [2019-10-13 18:03:19,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 18:03:19,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-13 18:03:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:19,718 INFO L225 Difference]: With dead ends: 1480 [2019-10-13 18:03:19,719 INFO L226 Difference]: Without dead ends: 1478 [2019-10-13 18:03:19,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:19,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2019-10-13 18:03:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 930. [2019-10-13 18:03:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2019-10-13 18:03:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1428 transitions. [2019-10-13 18:03:19,773 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1428 transitions. Word has length 189 [2019-10-13 18:03:19,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:19,776 INFO L462 AbstractCegarLoop]: Abstraction has 930 states and 1428 transitions. [2019-10-13 18:03:19,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 18:03:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1428 transitions. [2019-10-13 18:03:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-13 18:03:19,783 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:19,783 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 18:03:19,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:19,994 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:19,995 INFO L82 PathProgramCache]: Analyzing trace with hash -414871259, now seen corresponding path program 1 times [2019-10-13 18:03:19,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:19,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272893218] [2019-10-13 18:03:19,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:19,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:19,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 18:03:20,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272893218] [2019-10-13 18:03:20,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015862078] [2019-10-13 18:03:20,906 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 [2019-10-13 18:03:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:21,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:21,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-10-13 18:03:21,105 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 18:03:21,106 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2019-10-13 18:03:21,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330996863] [2019-10-13 18:03:21,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 18:03:21,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:21,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 18:03:21,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-10-13 18:03:21,107 INFO L87 Difference]: Start difference. First operand 930 states and 1428 transitions. Second operand 3 states. [2019-10-13 18:03:22,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:22,059 INFO L93 Difference]: Finished difference Result 1668 states and 2575 transitions. [2019-10-13 18:03:22,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 18:03:22,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-10-13 18:03:22,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:22,069 INFO L225 Difference]: With dead ends: 1668 [2019-10-13 18:03:22,069 INFO L226 Difference]: Without dead ends: 1666 [2019-10-13 18:03:22,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-10-13 18:03:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2019-10-13 18:03:22,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 934. [2019-10-13 18:03:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2019-10-13 18:03:22,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1437 transitions. [2019-10-13 18:03:22,106 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1437 transitions. Word has length 254 [2019-10-13 18:03:22,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:22,107 INFO L462 AbstractCegarLoop]: Abstraction has 934 states and 1437 transitions. [2019-10-13 18:03:22,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 18:03:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1437 transitions. [2019-10-13 18:03:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-10-13 18:03:22,113 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:22,113 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:03:22,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:22,319 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:22,319 INFO L82 PathProgramCache]: Analyzing trace with hash 961651367, now seen corresponding path program 1 times [2019-10-13 18:03:22,320 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:22,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584645161] [2019-10-13 18:03:22,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:22,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:22,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 18:03:22,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584645161] [2019-10-13 18:03:22,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442119209] [2019-10-13 18:03:22,827 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 [2019-10-13 18:03:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:22,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:22,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:23,105 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 18:03:23,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 18:03:23,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743346511] [2019-10-13 18:03:23,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 18:03:23,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:23,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 18:03:23,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 18:03:23,107 INFO L87 Difference]: Start difference. First operand 934 states and 1437 transitions. Second operand 11 states. [2019-10-13 18:03:27,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:27,777 INFO L93 Difference]: Finished difference Result 3458 states and 5747 transitions. [2019-10-13 18:03:27,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-13 18:03:27,777 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 308 [2019-10-13 18:03:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:27,795 INFO L225 Difference]: With dead ends: 3458 [2019-10-13 18:03:27,796 INFO L226 Difference]: Without dead ends: 2340 [2019-10-13 18:03:27,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 318 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2019-10-13 18:03:27,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2019-10-13 18:03:27,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 1720. [2019-10-13 18:03:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2019-10-13 18:03:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2324 transitions. [2019-10-13 18:03:27,888 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2324 transitions. Word has length 308 [2019-10-13 18:03:27,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:27,888 INFO L462 AbstractCegarLoop]: Abstraction has 1720 states and 2324 transitions. [2019-10-13 18:03:27,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 18:03:27,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2324 transitions. [2019-10-13 18:03:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-13 18:03:27,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:27,899 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:03:28,102 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:28,104 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1365133825, now seen corresponding path program 1 times [2019-10-13 18:03:28,105 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:28,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36101153] [2019-10-13 18:03:28,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:28,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:28,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 18:03:28,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36101153] [2019-10-13 18:03:28,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765561234] [2019-10-13 18:03:28,580 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 [2019-10-13 18:03:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:28,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:28,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:28,777 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 18:03:28,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 18:03:28,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318018796] [2019-10-13 18:03:28,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 18:03:28,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:28,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 18:03:28,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 18:03:28,780 INFO L87 Difference]: Start difference. First operand 1720 states and 2324 transitions. Second operand 11 states. [2019-10-13 18:03:33,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:33,384 INFO L93 Difference]: Finished difference Result 4576 states and 6543 transitions. [2019-10-13 18:03:33,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-13 18:03:33,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 320 [2019-10-13 18:03:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:33,400 INFO L225 Difference]: With dead ends: 4576 [2019-10-13 18:03:33,400 INFO L226 Difference]: Without dead ends: 2296 [2019-10-13 18:03:33,411 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 330 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2019-10-13 18:03:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2019-10-13 18:03:33,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 1896. [2019-10-13 18:03:33,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-10-13 18:03:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2449 transitions. [2019-10-13 18:03:33,487 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2449 transitions. Word has length 320 [2019-10-13 18:03:33,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:33,488 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 2449 transitions. [2019-10-13 18:03:33,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 18:03:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2449 transitions. [2019-10-13 18:03:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-10-13 18:03:33,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:33,498 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 18:03:33,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:33,732 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:33,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:33,733 INFO L82 PathProgramCache]: Analyzing trace with hash -456352965, now seen corresponding path program 1 times [2019-10-13 18:03:33,734 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:33,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726074966] [2019-10-13 18:03:33,735 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:33,735 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:33,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 18:03:34,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726074966] [2019-10-13 18:03:34,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844835721] [2019-10-13 18:03:34,157 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 [2019-10-13 18:03:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:34,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:34,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:03:34,385 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 18:03:34,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 18:03:34,386 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763857074] [2019-10-13 18:03:34,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 18:03:34,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:34,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 18:03:34,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 18:03:34,388 INFO L87 Difference]: Start difference. First operand 1896 states and 2449 transitions. Second operand 11 states. [2019-10-13 18:03:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:36,352 INFO L93 Difference]: Finished difference Result 3228 states and 4263 transitions. [2019-10-13 18:03:36,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 18:03:36,355 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 334 [2019-10-13 18:03:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:36,363 INFO L225 Difference]: With dead ends: 3228 [2019-10-13 18:03:36,363 INFO L226 Difference]: Without dead ends: 1528 [2019-10-13 18:03:36,370 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 337 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2019-10-13 18:03:36,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2019-10-13 18:03:36,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1500. [2019-10-13 18:03:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2019-10-13 18:03:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1892 transitions. [2019-10-13 18:03:36,425 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1892 transitions. Word has length 334 [2019-10-13 18:03:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:36,426 INFO L462 AbstractCegarLoop]: Abstraction has 1500 states and 1892 transitions. [2019-10-13 18:03:36,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 18:03:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1892 transitions. [2019-10-13 18:03:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2019-10-13 18:03:36,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:03:36,434 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 18:03:36,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:36,638 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:03:36,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:03:36,639 INFO L82 PathProgramCache]: Analyzing trace with hash -237561818, now seen corresponding path program 1 times [2019-10-13 18:03:36,639 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:03:36,639 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86658197] [2019-10-13 18:03:36,639 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:36,639 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:03:36,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:03:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-13 18:03:36,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86658197] [2019-10-13 18:03:36,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066109106] [2019-10-13 18:03:36,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:03:37,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:03:37,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:03:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-13 18:03:37,152 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 18:03:37,152 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 18:03:37,153 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475159328] [2019-10-13 18:03:37,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 18:03:37,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:03:37,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 18:03:37,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:37,154 INFO L87 Difference]: Start difference. First operand 1500 states and 1892 transitions. Second operand 3 states. [2019-10-13 18:03:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:03:37,851 INFO L93 Difference]: Finished difference Result 1684 states and 2083 transitions. [2019-10-13 18:03:37,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 18:03:37,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2019-10-13 18:03:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:03:37,853 INFO L225 Difference]: With dead ends: 1684 [2019-10-13 18:03:37,853 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 18:03:37,857 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 342 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:03:37,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 18:03:37,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 18:03:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 18:03:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 18:03:37,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2019-10-13 18:03:37,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:03:37,859 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 18:03:37,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 18:03:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 18:03:37,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 18:03:38,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:03:38,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 18:03:39,160 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 31 [2019-10-13 18:03:39,389 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-10-13 18:03:39,392 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 18:03:39,393 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2019-10-13 18:03:39,393 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 18:03:39,393 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-13 18:03:39,393 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 18:03:39,394 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-13 18:03:39,395 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,396 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-13 18:03:39,397 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 18:03:39,398 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 18:03:39,399 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,400 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-13 18:03:39,401 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 18:03:39,402 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,403 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 18:03:39,404 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse4 (= ~a12~0 |old(~a12~0)|)) (.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse4 .cse1 .cse2 .cse3))) (and (or (not (<= |old(~a15~0)| 5)) .cse0) (or (and (not (<= |old(~a21~0)| 9)) (not (<= |old(~a12~0)| 80))) .cse0) (or (and .cse1 .cse2 .cse3 .cse4) (not (<= 7 |old(~a15~0)|)))))) [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 18:03:39,405 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,406 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-13 18:03:39,407 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-13 18:03:39,408 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 18:03:39,409 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 18:03:39,410 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,411 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-13 18:03:39,412 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,413 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,414 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,415 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 18:03:39,416 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 18:03:39,417 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-13 18:03:39,418 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,419 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,420 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 18:03:39,421 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a15~0) (<= ~a15~0 8) (<= (+ ~a12~0 49) 0) (<= ~a21~0 9)) [2019-10-13 18:03:39,422 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 18:03:39,422 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 18:03:39,422 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= 8 ~a15~0) (<= ~a15~0 8)) (not (<= |old(~a21~0)| 9)) (not (<= |old(~a15~0)| 8))) [2019-10-13 18:03:39,422 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2019-10-13 18:03:39,422 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (<= 7 ~a15~0) (<= ~a15~0 5) (<= ~a12~0 80) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a21~0)| 9)) (not (<= |old(~a15~0)| 8)) (<= ~a21~0 9)) [2019-10-13 18:03:39,422 INFO L443 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2019-10-13 18:03:39,422 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-13 18:03:39,423 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (<= 7 ~a15~0) (<= ~a15~0 5) (<= ~a12~0 80) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a21~0)| 9)) (not (<= |old(~a15~0)| 8)) (<= ~a21~0 9)) [2019-10-13 18:03:39,423 INFO L443 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2019-10-13 18:03:39,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:03:39 BoogieIcfgContainer [2019-10-13 18:03:39,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 18:03:39,444 INFO L168 Benchmark]: Toolchain (without parser) took 29058.71 ms. Allocated memory was 145.2 MB in the beginning and 665.3 MB in the end (delta: 520.1 MB). Free memory was 100.8 MB in the beginning and 565.0 MB in the end (delta: -464.2 MB). Peak memory consumption was 537.3 MB. Max. memory is 7.1 GB. [2019-10-13 18:03:39,444 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 18:03:39,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.64 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 100.6 MB in the beginning and 169.0 MB in the end (delta: -68.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-10-13 18:03:39,446 INFO L168 Benchmark]: Boogie Preprocessor took 150.64 ms. Allocated memory is still 206.0 MB. Free memory was 169.0 MB in the beginning and 163.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-10-13 18:03:39,447 INFO L168 Benchmark]: RCFGBuilder took 1507.36 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 159.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-10-13 18:03:39,448 INFO L168 Benchmark]: TraceAbstraction took 26513.63 ms. Allocated memory was 239.1 MB in the beginning and 665.3 MB in the end (delta: 426.2 MB). Free memory was 159.2 MB in the beginning and 565.0 MB in the end (delta: -405.7 MB). Peak memory consumption was 501.9 MB. Max. memory is 7.1 GB. [2019-10-13 18:03:39,452 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 881.64 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 100.6 MB in the beginning and 169.0 MB in the end (delta: -68.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.64 ms. Allocated memory is still 206.0 MB. Free memory was 169.0 MB in the beginning and 163.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1507.36 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 159.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26513.63 ms. Allocated memory was 239.1 MB in the beginning and 665.3 MB in the end (delta: 426.2 MB). Free memory was 159.2 MB in the beginning and 565.0 MB in the end (delta: -405.7 MB). Peak memory consumption was 501.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 880]: Loop Invariant Derived loop invariant: ((((((!(\old(a12) + 49 <= 0) || 7 <= a15) || a15 <= 5) || a12 <= 80) || !(8 <= \old(a15))) || !(\old(a21) <= 9)) || !(\old(a15) <= 8)) || a21 <= 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Result: SAFE, OverallTime: 26.4s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 707 SDtfs, 3762 SDslu, 329 SDs, 0 SdLazy, 12400 SolverSat, 2544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2047 GetRequests, 1953 SyntacticMatches, 10 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1896occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2700 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 96 NumberOfFragments, 204 HoareAnnotationTreeSize, 60 FomulaSimplifications, 39695 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2928 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 3876 NumberOfCodeBlocks, 3876 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3861 ConstructedInterpolants, 0 QuantifiedInterpolants, 3167251 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3101 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 2128/2146 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...