java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:56:23,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:56:23,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:56:23,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:56:23,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:56:23,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:56:23,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:56:23,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:56:23,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:56:23,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:56:23,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:56:23,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:56:23,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:56:23,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:56:23,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:56:24,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:56:24,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:56:24,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:56:24,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:56:24,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:56:24,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:56:24,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:56:24,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:56:24,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:56:24,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 21:56:24,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 21:56:24,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 21:56:24,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 21:56:24,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 21:56:24,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 21:56:24,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:56:24,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:56:24,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:56:24,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:56:24,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:56:24,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:56:24,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:56:24,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:56:24,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:56:24,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:56:24,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:56:24,033 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 [2019-10-14 21:56:24,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:56:24,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:56:24,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:56:24,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:56:24,057 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:56:24,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:56:24,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:56:24,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:56:24,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:56:24,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:56:24,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:56:24,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:56:24,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:56:24,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:56:24,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:56:24,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:56:24,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:56:24,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:56:24,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:56:24,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:56:24,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:56:24,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:56:24,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:56:24,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:56:24,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:56:24,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:56:24,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:56:24,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:56:24,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:56:24,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:56:24,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:56:24,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:56:24,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:56:24,416 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:56:24,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2019-10-14 21:56:24,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa33e61d/82a639ff11ce42a69530cbf36d8c9e9b/FLAGd30d506bd [2019-10-14 21:56:25,062 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:56:25,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2019-10-14 21:56:25,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa33e61d/82a639ff11ce42a69530cbf36d8c9e9b/FLAGd30d506bd [2019-10-14 21:56:25,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa33e61d/82a639ff11ce42a69530cbf36d8c9e9b [2019-10-14 21:56:25,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:56:25,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:56:25,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:56:25,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:56:25,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:56:25,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:56:25" (1/1) ... [2019-10-14 21:56:25,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac730e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:25, skipping insertion in model container [2019-10-14 21:56:25,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:56:25" (1/1) ... [2019-10-14 21:56:25,377 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:56:25,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:56:26,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:56:26,020 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:56:26,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:56:26,129 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:56:26,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26 WrapperNode [2019-10-14 21:56:26,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:56:26,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:56:26,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:56:26,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:56:26,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (1/1) ... [2019-10-14 21:56:26,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:56:26,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:56:26,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:56:26,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:56:26,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (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 [2019-10-14 21:56:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:56:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:56:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:56:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:56:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:56:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:56:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:56:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:56:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:56:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:56:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:56:27,721 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:56:27,724 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:56:27,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:56:27 BoogieIcfgContainer [2019-10-14 21:56:27,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:56:27,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:56:27,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:56:27,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:56:27,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:56:25" (1/3) ... [2019-10-14 21:56:27,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b65858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:56:27, skipping insertion in model container [2019-10-14 21:56:27,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:56:26" (2/3) ... [2019-10-14 21:56:27,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b65858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:56:27, skipping insertion in model container [2019-10-14 21:56:27,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:56:27" (3/3) ... [2019-10-14 21:56:27,735 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2019-10-14 21:56:27,745 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:56:27,753 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:56:27,763 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:56:27,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:56:27,797 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:56:27,797 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:56:27,797 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:56:27,798 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:56:27,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:56:27,798 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:56:27,798 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:56:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-14 21:56:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-14 21:56:27,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:27,842 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, 1, 1] [2019-10-14 21:56:27,845 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:27,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:27,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1575146953, now seen corresponding path program 1 times [2019-10-14 21:56:27,857 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:27,857 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822095127] [2019-10-14 21:56:27,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:27,859 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:27,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:56:28,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822095127] [2019-10-14 21:56:28,362 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:56:28,362 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:56:28,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438963929] [2019-10-14 21:56:28,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:56:28,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:28,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:56:28,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:56:28,388 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-14 21:56:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:30,390 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2019-10-14 21:56:30,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 21:56:30,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-14 21:56:30,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:30,414 INFO L225 Difference]: With dead ends: 745 [2019-10-14 21:56:30,415 INFO L226 Difference]: Without dead ends: 447 [2019-10-14 21:56:30,423 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 [2019-10-14 21:56:30,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-14 21:56:30,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-10-14 21:56:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-14 21:56:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2019-10-14 21:56:30,511 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 58 [2019-10-14 21:56:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:30,512 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2019-10-14 21:56:30,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:56:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2019-10-14 21:56:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-14 21:56:30,520 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:30,520 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, 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] [2019-10-14 21:56:30,521 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:30,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2054791822, now seen corresponding path program 1 times [2019-10-14 21:56:30,522 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:30,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067947307] [2019-10-14 21:56:30,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:30,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:30,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:56:30,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067947307] [2019-10-14 21:56:30,907 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:56:30,907 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:56:30,907 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338110700] [2019-10-14 21:56:30,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:56:30,913 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:30,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:56:30,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:56:30,913 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 9 states. [2019-10-14 21:56:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:32,990 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2019-10-14 21:56:32,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 21:56:32,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 132 [2019-10-14 21:56:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:33,002 INFO L225 Difference]: With dead ends: 1782 [2019-10-14 21:56:33,002 INFO L226 Difference]: Without dead ends: 1345 [2019-10-14 21:56:33,005 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:56:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2019-10-14 21:56:33,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2019-10-14 21:56:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-10-14 21:56:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1665 transitions. [2019-10-14 21:56:33,099 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1665 transitions. Word has length 132 [2019-10-14 21:56:33,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:33,102 INFO L462 AbstractCegarLoop]: Abstraction has 1184 states and 1665 transitions. [2019-10-14 21:56:33,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:56:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1665 transitions. [2019-10-14 21:56:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-14 21:56:33,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:33,118 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, 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] [2019-10-14 21:56:33,118 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:33,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash -2085474635, now seen corresponding path program 1 times [2019-10-14 21:56:33,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:33,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268423235] [2019-10-14 21:56:33,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:33,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:33,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:56:33,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268423235] [2019-10-14 21:56:33,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067277326] [2019-10-14 21:56:33,327 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 [2019-10-14 21:56:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:33,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:56:33,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:56:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:56:33,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:56:33,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:56:33,509 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125436726] [2019-10-14 21:56:33,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:56:33,513 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:33,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:56:33,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:56:33,521 INFO L87 Difference]: Start difference. First operand 1184 states and 1665 transitions. Second operand 3 states. [2019-10-14 21:56:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:34,177 INFO L93 Difference]: Finished difference Result 1766 states and 2506 transitions. [2019-10-14 21:56:34,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:56:34,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-14 21:56:34,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:34,194 INFO L225 Difference]: With dead ends: 1766 [2019-10-14 21:56:34,194 INFO L226 Difference]: Without dead ends: 1764 [2019-10-14 21:56:34,196 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:56:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2019-10-14 21:56:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1619. [2019-10-14 21:56:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2019-10-14 21:56:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2323 transitions. [2019-10-14 21:56:34,286 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2323 transitions. Word has length 137 [2019-10-14 21:56:34,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:34,288 INFO L462 AbstractCegarLoop]: Abstraction has 1619 states and 2323 transitions. [2019-10-14 21:56:34,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:56:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2323 transitions. [2019-10-14 21:56:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-14 21:56:34,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:34,296 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, 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] [2019-10-14 21:56:34,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:56:34,503 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:34,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:34,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1012567534, now seen corresponding path program 1 times [2019-10-14 21:56:34,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:34,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624594247] [2019-10-14 21:56:34,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:34,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:34,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:56:34,875 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624594247] [2019-10-14 21:56:34,875 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:56:34,875 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:56:34,876 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288215569] [2019-10-14 21:56:34,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:56:34,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:34,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:56:34,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:56:34,878 INFO L87 Difference]: Start difference. First operand 1619 states and 2323 transitions. Second operand 9 states. [2019-10-14 21:56:36,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:36,528 INFO L93 Difference]: Finished difference Result 3864 states and 5782 transitions. [2019-10-14 21:56:36,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:56:36,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 180 [2019-10-14 21:56:36,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:36,543 INFO L225 Difference]: With dead ends: 3864 [2019-10-14 21:56:36,544 INFO L226 Difference]: Without dead ends: 2251 [2019-10-14 21:56:36,549 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-14 21:56:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2019-10-14 21:56:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 1492. [2019-10-14 21:56:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2019-10-14 21:56:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2023 transitions. [2019-10-14 21:56:36,611 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2023 transitions. Word has length 180 [2019-10-14 21:56:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:36,612 INFO L462 AbstractCegarLoop]: Abstraction has 1492 states and 2023 transitions. [2019-10-14 21:56:36,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:56:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2023 transitions. [2019-10-14 21:56:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-14 21:56:36,617 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:36,617 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:56:36,618 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:36,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:36,618 INFO L82 PathProgramCache]: Analyzing trace with hash 313316900, now seen corresponding path program 1 times [2019-10-14 21:56:36,618 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:36,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191528657] [2019-10-14 21:56:36,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:36,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:36,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-14 21:56:36,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191528657] [2019-10-14 21:56:36,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059457890] [2019-10-14 21:56:36,872 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 [2019-10-14 21:56:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:36,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:56:36,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:56:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-14 21:56:37,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:56:37,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:56:37,063 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101833322] [2019-10-14 21:56:37,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:56:37,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:37,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:56:37,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:56:37,066 INFO L87 Difference]: Start difference. First operand 1492 states and 2023 transitions. Second operand 3 states. [2019-10-14 21:56:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:37,719 INFO L93 Difference]: Finished difference Result 3411 states and 4677 transitions. [2019-10-14 21:56:37,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:56:37,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2019-10-14 21:56:37,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:37,729 INFO L225 Difference]: With dead ends: 3411 [2019-10-14 21:56:37,730 INFO L226 Difference]: Without dead ends: 1925 [2019-10-14 21:56:37,734 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:56:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2019-10-14 21:56:37,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1923. [2019-10-14 21:56:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-10-14 21:56:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2511 transitions. [2019-10-14 21:56:37,786 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2511 transitions. Word has length 233 [2019-10-14 21:56:37,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:37,787 INFO L462 AbstractCegarLoop]: Abstraction has 1923 states and 2511 transitions. [2019-10-14 21:56:37,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:56:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2511 transitions. [2019-10-14 21:56:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-14 21:56:37,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:37,797 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-14 21:56:38,005 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:56:38,006 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:38,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:38,006 INFO L82 PathProgramCache]: Analyzing trace with hash -431177553, now seen corresponding path program 1 times [2019-10-14 21:56:38,007 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:38,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023479277] [2019-10-14 21:56:38,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:38,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:38,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 226 proven. 71 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-14 21:56:38,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023479277] [2019-10-14 21:56:38,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443483536] [2019-10-14 21:56:38,393 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 [2019-10-14 21:56:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:38,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:56:38,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:56:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 322 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-14 21:56:38,757 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:56:38,758 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2019-10-14 21:56:38,758 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428006406] [2019-10-14 21:56:38,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 21:56:38,760 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:38,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 21:56:38,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 21:56:38,761 INFO L87 Difference]: Start difference. First operand 1923 states and 2511 transitions. Second operand 12 states. [2019-10-14 21:56:41,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:41,632 INFO L93 Difference]: Finished difference Result 5288 states and 6861 transitions. [2019-10-14 21:56:41,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 21:56:41,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 331 [2019-10-14 21:56:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:41,645 INFO L225 Difference]: With dead ends: 5288 [2019-10-14 21:56:41,646 INFO L226 Difference]: Without dead ends: 2344 [2019-10-14 21:56:41,656 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2019-10-14 21:56:41,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2019-10-14 21:56:41,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2054. [2019-10-14 21:56:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2019-10-14 21:56:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2541 transitions. [2019-10-14 21:56:41,717 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2541 transitions. Word has length 331 [2019-10-14 21:56:41,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:41,718 INFO L462 AbstractCegarLoop]: Abstraction has 2054 states and 2541 transitions. [2019-10-14 21:56:41,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 21:56:41,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2541 transitions. [2019-10-14 21:56:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-10-14 21:56:41,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:56:41,728 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 21:56:41,934 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:56:41,935 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:56:41,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:56:41,936 INFO L82 PathProgramCache]: Analyzing trace with hash 514920359, now seen corresponding path program 1 times [2019-10-14 21:56:41,936 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:56:41,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081623235] [2019-10-14 21:56:41,936 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:41,936 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:56:41,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:56:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 328 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-14 21:56:42,501 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081623235] [2019-10-14 21:56:42,501 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504155545] [2019-10-14 21:56:42,501 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 [2019-10-14 21:56:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:56:42,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-14 21:56:42,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:56:42,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-10-14 21:56:42,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 21:56:42,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,715 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:42,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:56:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 341 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-14 21:56:43,118 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:56:43,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-10-14 21:56:43,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589443172] [2019-10-14 21:56:43,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-14 21:56:43,120 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:56:43,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-14 21:56:43,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:56:43,120 INFO L87 Difference]: Start difference. First operand 2054 states and 2541 transitions. Second operand 16 states. [2019-10-14 21:56:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:56:50,495 INFO L93 Difference]: Finished difference Result 5171 states and 6560 transitions. [2019-10-14 21:56:50,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-10-14 21:56:50,496 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 367 [2019-10-14 21:56:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:56:50,497 INFO L225 Difference]: With dead ends: 5171 [2019-10-14 21:56:50,497 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:56:50,510 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 380 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=675, Invalid=2985, Unknown=0, NotChecked=0, Total=3660 [2019-10-14 21:56:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:56:50,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:56:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:56:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:56:50,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367 [2019-10-14 21:56:50,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:56:50,512 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:56:50,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-14 21:56:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:56:50,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:56:50,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:56:50,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:56:51,088 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 108 [2019-10-14 21:56:51,206 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 108 [2019-10-14 21:56:52,026 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 57 [2019-10-14 21:56:52,943 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2019-10-14 21:56:53,808 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2019-10-14 21:56:53,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:56:53,811 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-14 21:56:53,812 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:56:53,812 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-14 21:56:53,812 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,812 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,812 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-14 21:56:53,813 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-14 21:56:53,814 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-14 21:56:53,815 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-14 21:56:53,816 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-14 21:56:53,817 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-14 21:56:53,818 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-14 21:56:53,819 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-14 21:56:53,820 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,821 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-14 21:56:53,822 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-14 21:56:53,823 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-14 21:56:53,824 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,825 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-14 21:56:53,826 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,827 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-14 21:56:53,828 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a10~0 |old(~a10~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (not (<= |old(~a1~0)| 38))) (.cse7 (and .cse9 .cse8 .cse10)) (.cse5 (= 3 |old(~a10~0)|)) (.cse6 (not (<= 1 |old(~a10~0)|))) (.cse0 (and .cse8 .cse10 .cse9)) (.cse11 (not (<= |old(~a19~0)| 9))) (.cse12 (not (<= 8 |old(~a19~0)|))) (.cse2 (not (<= |old(~a10~0)| 0))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= 0 ~a12~0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4 (not (< 218 |old(~a1~0)|))) (or .cse5 .cse7 (not (<= 2 |old(~a10~0)|)) .cse3 .cse4) (or .cse3 (and (and .cse8 .cse9) .cse10) .cse4 (or .cse1 .cse11)) (or .cse3 .cse4 .cse7 (not (= 9 |old(~a19~0)|))) (or .cse7 .cse5 .cse6 .cse3 .cse4 .cse12) (or .cse0 (or (or .cse11 .cse12 .cse2) .cse3 .cse4))))) [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,829 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,830 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-14 21:56:53,831 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-14 21:56:53,832 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:56:53,833 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (= 14 ~a4~0) (<= ~a19~0 9) (= ~a12~0 0) (<= ~a10~0 0) (<= 8 ~a19~0)) [2019-10-14 21:56:53,833 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:56:53,833 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:56:53,834 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0))) [2019-10-14 21:56:53,834 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-14 21:56:53,834 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 1 ~a10~0)) (.cse4 (<= 8 ~a19~0)) (.cse0 (not (= ~a10~0 3))) (.cse6 (<= ~a19~0 8)) (.cse8 (<= ~a1~0 38)) (.cse7 (<= ~a10~0 0)) (.cse2 (= 9 |old(~a19~0)|)) (.cse3 (= 0 |old(~a10~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (< 218 ~a1~0) .cse1 .cse2 .cse3) (and (= ~a10~0 |old(~a10~0)|) .cse5 (= ~a1~0 |old(~a1~0)|)) (and .cse6 .cse2 (and .cse7 .cse4)) (not (= 0 ~a12~0)) (not (<= 8 |old(~a19~0)|)) (and (<= 2 ~a10~0) .cse0 .cse6 .cse2) (and .cse6 .cse2 .cse8) (not (= 14 ~a4~0)) (and (= ~a10~0 1) .cse2 (= ~a19~0 8)) (not (<= |old(~a19~0)| 9)) (and (and .cse8 .cse7) .cse2 .cse3) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and .cse2 .cse3 .cse5))) [2019-10-14 21:56:53,834 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-14 21:56:53,834 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-14 21:56:53,834 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 1 ~a10~0)) (.cse4 (<= 8 ~a19~0)) (.cse0 (not (= ~a10~0 3))) (.cse6 (<= ~a19~0 8)) (.cse8 (<= ~a1~0 38)) (.cse7 (<= ~a10~0 0)) (.cse2 (= 9 |old(~a19~0)|)) (.cse3 (= 0 |old(~a10~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (< 218 ~a1~0) .cse1 .cse2 .cse3) (and (= ~a10~0 |old(~a10~0)|) .cse5 (= ~a1~0 |old(~a1~0)|)) (and .cse6 .cse2 (and .cse7 .cse4)) (not (= 0 ~a12~0)) (not (<= 8 |old(~a19~0)|)) (and (<= 2 ~a10~0) .cse0 .cse6 .cse2) (and .cse6 .cse2 .cse8) (not (= 14 ~a4~0)) (and (= ~a10~0 1) .cse2 (= ~a19~0 8)) (not (<= |old(~a19~0)| 9)) (and (and .cse8 .cse7) .cse2 .cse3) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and .cse2 .cse3 .cse5))) [2019-10-14 21:56:53,834 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-14 21:56:53,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:56:53 BoogieIcfgContainer [2019-10-14 21:56:53,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:56:53,856 INFO L168 Benchmark]: Toolchain (without parser) took 28496.74 ms. Allocated memory was 135.8 MB in the beginning and 641.2 MB in the end (delta: 505.4 MB). Free memory was 98.7 MB in the beginning and 138.5 MB in the end (delta: -39.7 MB). Peak memory consumption was 478.6 MB. Max. memory is 7.1 GB. [2019-10-14 21:56:53,857 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:56:53,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.08 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 98.5 MB in the beginning and 165.2 MB in the end (delta: -66.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:56:53,858 INFO L168 Benchmark]: Boogie Preprocessor took 124.64 ms. Allocated memory is still 201.3 MB. Free memory was 165.2 MB in the beginning and 160.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-14 21:56:53,859 INFO L168 Benchmark]: RCFGBuilder took 1470.52 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 160.7 MB in the beginning and 176.8 MB in the end (delta: -16.1 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-10-14 21:56:53,860 INFO L168 Benchmark]: TraceAbstraction took 26126.65 ms. Allocated memory was 229.6 MB in the beginning and 641.2 MB in the end (delta: 411.6 MB). Free memory was 176.8 MB in the beginning and 138.5 MB in the end (delta: 38.4 MB). Peak memory consumption was 462.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:56:53,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.08 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 98.5 MB in the beginning and 165.2 MB in the end (delta: -66.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.64 ms. Allocated memory is still 201.3 MB. Free memory was 165.2 MB in the beginning and 160.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1470.52 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 160.7 MB in the beginning and 176.8 MB in the end (delta: -16.1 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26126.65 ms. Allocated memory was 229.6 MB in the beginning and 641.2 MB in the end (delta: 411.6 MB). Free memory was 176.8 MB in the beginning and 138.5 MB in the end (delta: 38.4 MB). Peak memory consumption was 462.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((((((!(a10 == 3) && 1 <= a10) && 9 == \old(a19)) && 0 == \old(a10)) && 8 <= a19) || ((((!(a10 == 3) && 218 < a1) && 1 <= a10) && 9 == \old(a19)) && 0 == \old(a10))) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1))) || ((a19 <= 8 && 9 == \old(a19)) && a10 <= 0 && 8 <= a19)) || !(0 == a12)) || !(8 <= \old(a19))) || (((2 <= a10 && !(a10 == 3)) && a19 <= 8) && 9 == \old(a19))) || ((a19 <= 8 && 9 == \old(a19)) && a1 <= 38)) || !(14 == a4)) || ((a10 == 1 && 9 == \old(a19)) && a19 == 8)) || !(\old(a19) <= 9)) || (((a1 <= 38 && a10 <= 0) && 9 == \old(a19)) && 0 == \old(a10))) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || ((9 == \old(a19) && 0 == \old(a10)) && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 26.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, HoareTripleCheckerStatistics: 384 SDtfs, 6827 SDslu, 320 SDs, 0 SdLazy, 9856 SolverSat, 2505 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1237 GetRequests, 1112 SyntacticMatches, 3 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2054occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1361 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 160 NumberOfFragments, 568 HoareAnnotationTreeSize, 92 FomulaSimplifications, 23416 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7059 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2506 NumberOfCodeBlocks, 2506 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2495 ConstructedInterpolants, 0 QuantifiedInterpolants, 2508842 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1805 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 2048/2138 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...