/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:28:24,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:28:24,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:28:24,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:28:24,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:28:24,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:28:24,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:28:24,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:28:24,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:28:24,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:28:24,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:28:24,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:28:24,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:28:24,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:28:24,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:28:24,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:28:24,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:28:24,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:28:24,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:28:24,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:28:24,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:28:24,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:28:24,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:28:24,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:28:24,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:28:24,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:28:24,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:28:24,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:28:24,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:28:24,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 11:28:24,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:28:24,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:28:24,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:28:24,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:28:24,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:28:24,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:28:24,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:28:24,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:28:24,297 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:28:24,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:28:24,297 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:28:24,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:28:24,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:28:24,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:28:24,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:28:24,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:28:24,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:28:24,300 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:28:24,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:28:24,300 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:28:24,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:28:24,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:28:24,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:28:24,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:28:24,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:28:24,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:24,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:28:24,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:28:24,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:28:24,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:28:24,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:28:24,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:28:24,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:28:24,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:28:24,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:28:24,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:28:24,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:28:24,781 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:28:24,783 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:28:24,784 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-09-21 11:28:24,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3471c554/4b4a31c9b4014917a2e53ce17936cea6/FLAG03f641e24 [2020-09-21 11:28:25,547 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:28:25,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-09-21 11:28:25,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3471c554/4b4a31c9b4014917a2e53ce17936cea6/FLAG03f641e24 [2020-09-21 11:28:25,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3471c554/4b4a31c9b4014917a2e53ce17936cea6 [2020-09-21 11:28:25,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:28:25,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:28:25,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:25,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:28:25,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:28:25,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:25" (1/1) ... [2020-09-21 11:28:25,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b03ff29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:25, skipping insertion in model container [2020-09-21 11:28:25,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:25" (1/1) ... [2020-09-21 11:28:25,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:28:25,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:28:26,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:26,385 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:28:26,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:26,716 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:28:26,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26 WrapperNode [2020-09-21 11:28:26,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:26,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:28:26,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:28:26,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:28:26,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... [2020-09-21 11:28:26,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:28:26,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:28:26,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:28:26,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:28:26,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:28:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:28:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:28:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:28:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:28:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:28:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:28:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:28:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:28:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:28:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:28:28,546 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:28:28,546 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:28:28,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:28 BoogieIcfgContainer [2020-09-21 11:28:28,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:28:28,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:28:28,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:28:28,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:28:28,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:28:25" (1/3) ... [2020-09-21 11:28:28,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728cd5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:28, skipping insertion in model container [2020-09-21 11:28:28,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:26" (2/3) ... [2020-09-21 11:28:28,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728cd5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:28, skipping insertion in model container [2020-09-21 11:28:28,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:28" (3/3) ... [2020-09-21 11:28:28,566 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-09-21 11:28:28,579 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:28:28,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:28:28,615 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:28:28,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:28:28,651 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:28:28,651 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:28:28,651 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:28:28,652 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:28:28,652 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:28:28,652 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:28:28,652 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:28:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-21 11:28:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:28:28,694 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:28,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:28,696 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:28,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:28,704 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-09-21 11:28:28,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:28,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009602440] [2020-09-21 11:28:28,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 11:28:28,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 11:28:28,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:28:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:29,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:29,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:29,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:29,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:29,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:29,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:29,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:29,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009602440] [2020-09-21 11:28:29,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:29,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:28:29,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218078732] [2020-09-21 11:28:29,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:29,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:29,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:29,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:29,293 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-21 11:28:32,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:32,484 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-09-21 11:28:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:28:32,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:28:32,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:32,515 INFO L225 Difference]: With dead ends: 886 [2020-09-21 11:28:32,515 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 11:28:32,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:32,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 11:28:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-09-21 11:28:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-21 11:28:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-09-21 11:28:32,642 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 56 [2020-09-21 11:28:32,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:32,643 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-09-21 11:28:32,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-09-21 11:28:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-09-21 11:28:32,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:32,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:32,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:28:32,652 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:32,652 INFO L82 PathProgramCache]: Analyzing trace with hash 438966350, now seen corresponding path program 1 times [2020-09-21 11:28:32,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:32,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704534624] [2020-09-21 11:28:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:32,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:32,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:32,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:32,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-21 11:28:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-21 11:28:32,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:28:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:32,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:32,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:32,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:33,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:33,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:33,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:33,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:33,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:33,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:33,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:28:33,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:28:33,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:33,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704534624] [2020-09-21 11:28:33,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:33,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:33,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970730748] [2020-09-21 11:28:33,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:33,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:33,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:33,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:33,183 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-09-21 11:28:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:35,696 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-09-21 11:28:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:35,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-09-21 11:28:35,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:35,704 INFO L225 Difference]: With dead ends: 1320 [2020-09-21 11:28:35,705 INFO L226 Difference]: Without dead ends: 768 [2020-09-21 11:28:35,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:28:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-21 11:28:35,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-09-21 11:28:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-21 11:28:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-09-21 11:28:35,763 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 130 [2020-09-21 11:28:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:35,765 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-09-21 11:28:35,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-09-21 11:28:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-09-21 11:28:35,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:35,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:35,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:28:35,770 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:35,770 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-09-21 11:28:35,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:35,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909804245] [2020-09-21 11:28:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:28:35,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:28:35,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:35,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:35,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:35,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:35,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:36,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:36,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:36,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:36,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:36,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:36,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:36,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:28:36,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:28:36,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:36,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909804245] [2020-09-21 11:28:36,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:36,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:36,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819977852] [2020-09-21 11:28:36,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:36,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:36,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:36,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:36,265 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-09-21 11:28:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:38,641 INFO L93 Difference]: Finished difference Result 1328 states and 1915 transitions. [2020-09-21 11:28:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:38,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-09-21 11:28:38,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:38,647 INFO L225 Difference]: With dead ends: 1328 [2020-09-21 11:28:38,647 INFO L226 Difference]: Without dead ends: 768 [2020-09-21 11:28:38,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:38,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-21 11:28:38,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 754. [2020-09-21 11:28:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-21 11:28:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-09-21 11:28:38,680 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 139 [2020-09-21 11:28:38,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:38,681 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-09-21 11:28:38,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-09-21 11:28:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-21 11:28:38,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:38,686 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:38,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:28:38,687 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:38,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:38,688 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-09-21 11:28:38,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:38,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540512414] [2020-09-21 11:28:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:28:38,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-21 11:28:38,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-21 11:28:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-21 11:28:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:28:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-21 11:28:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:28:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:38,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:38,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:38,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:28:38,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:38,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:38,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:38,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:28:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:39,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:28:39,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:28:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:28:39,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540512414] [2020-09-21 11:28:39,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:39,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:39,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045361831] [2020-09-21 11:28:39,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:39,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:39,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:39,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:39,476 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 7 states. [2020-09-21 11:28:41,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:41,461 INFO L93 Difference]: Finished difference Result 1583 states and 2148 transitions. [2020-09-21 11:28:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:41,462 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-09-21 11:28:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:41,473 INFO L225 Difference]: With dead ends: 1583 [2020-09-21 11:28:41,473 INFO L226 Difference]: Without dead ends: 792 [2020-09-21 11:28:41,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-09-21 11:28:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 754. [2020-09-21 11:28:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-21 11:28:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 872 transitions. [2020-09-21 11:28:41,524 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 872 transitions. Word has length 223 [2020-09-21 11:28:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:41,526 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 872 transitions. [2020-09-21 11:28:41,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 872 transitions. [2020-09-21 11:28:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-21 11:28:41,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:41,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:41,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:41,533 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:41,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:41,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1982541177, now seen corresponding path program 1 times [2020-09-21 11:28:41,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:41,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555247508] [2020-09-21 11:28:41,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:41,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:28:41,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:41,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 22 [2020-09-21 11:28:41,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:41,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:28:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:41,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:41,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:41,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:41,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:41,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:41,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:41,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:41,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:41,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:41,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:41,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:41,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:41,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:41,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:41,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:42,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:28:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:28:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-09-21 11:28:42,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555247508] [2020-09-21 11:28:42,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:42,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:42,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134770421] [2020-09-21 11:28:42,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:42,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:42,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:42,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:42,128 INFO L87 Difference]: Start difference. First operand 754 states and 872 transitions. Second operand 5 states. [2020-09-21 11:28:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:43,102 INFO L93 Difference]: Finished difference Result 1520 states and 1766 transitions. [2020-09-21 11:28:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:43,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-09-21 11:28:43,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:43,107 INFO L225 Difference]: With dead ends: 1520 [2020-09-21 11:28:43,107 INFO L226 Difference]: Without dead ends: 760 [2020-09-21 11:28:43,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:43,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-21 11:28:43,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 752. [2020-09-21 11:28:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-09-21 11:28:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 865 transitions. [2020-09-21 11:28:43,141 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 865 transitions. Word has length 248 [2020-09-21 11:28:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:43,142 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 865 transitions. [2020-09-21 11:28:43,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 865 transitions. [2020-09-21 11:28:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-21 11:28:43,151 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:43,151 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:43,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:43,152 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:43,152 INFO L82 PathProgramCache]: Analyzing trace with hash -2036405193, now seen corresponding path program 1 times [2020-09-21 11:28:43,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:43,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865455625] [2020-09-21 11:28:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-09-21 11:28:43,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 310 [2020-09-21 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:43,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:43,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:43,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:43,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:43,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:43,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:43,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:43,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:43,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:43,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:28:43,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:43,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:43,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:43,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:28:43,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-09-21 11:28:44,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865455625] [2020-09-21 11:28:44,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:44,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:44,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271420309] [2020-09-21 11:28:44,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:44,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:44,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:44,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:44,027 INFO L87 Difference]: Start difference. First operand 752 states and 865 transitions. Second operand 5 states. [2020-09-21 11:28:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:45,617 INFO L93 Difference]: Finished difference Result 2060 states and 2426 transitions. [2020-09-21 11:28:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:45,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 351 [2020-09-21 11:28:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:45,625 INFO L225 Difference]: With dead ends: 2060 [2020-09-21 11:28:45,625 INFO L226 Difference]: Without dead ends: 1314 [2020-09-21 11:28:45,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:45,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-09-21 11:28:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1124. [2020-09-21 11:28:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-09-21 11:28:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1290 transitions. [2020-09-21 11:28:45,663 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1290 transitions. Word has length 351 [2020-09-21 11:28:45,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:45,664 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1290 transitions. [2020-09-21 11:28:45,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1290 transitions. [2020-09-21 11:28:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-09-21 11:28:45,671 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:45,671 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:45,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:45,672 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:45,672 INFO L82 PathProgramCache]: Analyzing trace with hash 153889291, now seen corresponding path program 1 times [2020-09-21 11:28:45,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:45,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266683429] [2020-09-21 11:28:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-09-21 11:28:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:28:45,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-21 11:28:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:28:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:45,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:45,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:45,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:45,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:46,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:28:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:28:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:28:46,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:28:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 306 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-09-21 11:28:46,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266683429] [2020-09-21 11:28:46,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:46,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:46,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453549364] [2020-09-21 11:28:46,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:46,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:46,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:46,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:46,388 INFO L87 Difference]: Start difference. First operand 1124 states and 1290 transitions. Second operand 7 states. [2020-09-21 11:28:48,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:48,999 INFO L93 Difference]: Finished difference Result 3018 states and 3498 transitions. [2020-09-21 11:28:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:49,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-09-21 11:28:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:49,015 INFO L225 Difference]: With dead ends: 3018 [2020-09-21 11:28:49,015 INFO L226 Difference]: Without dead ends: 1900 [2020-09-21 11:28:49,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:49,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-09-21 11:28:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1700. [2020-09-21 11:28:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-09-21 11:28:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1960 transitions. [2020-09-21 11:28:49,068 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1960 transitions. Word has length 357 [2020-09-21 11:28:49,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:49,069 INFO L479 AbstractCegarLoop]: Abstraction has 1700 states and 1960 transitions. [2020-09-21 11:28:49,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1960 transitions. [2020-09-21 11:28:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-21 11:28:49,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:49,078 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:28:49,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:28:49,078 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:49,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:49,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1878254157, now seen corresponding path program 1 times [2020-09-21 11:28:49,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:49,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927519926] [2020-09-21 11:28:49,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:49,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:49,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:49,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:49,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:49,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-09-21 11:28:49,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:28:49,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-09-21 11:28:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:28:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:49,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:49,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:49,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:49,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:49,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:49,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:49,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:49,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:49,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:49,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:49,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:49,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:49,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:49,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:49,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:49,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:49,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:49,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:49,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:49,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:49,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:49,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:49,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:49,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:49,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:28:49,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:49,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:28:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-09-21 11:28:49,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927519926] [2020-09-21 11:28:49,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:49,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:49,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318207180] [2020-09-21 11:28:49,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:49,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:49,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:49,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:49,675 INFO L87 Difference]: Start difference. First operand 1700 states and 1960 transitions. Second operand 5 states. [2020-09-21 11:28:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:51,184 INFO L93 Difference]: Finished difference Result 4510 states and 5289 transitions. [2020-09-21 11:28:51,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:51,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2020-09-21 11:28:51,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:51,201 INFO L225 Difference]: With dead ends: 4510 [2020-09-21 11:28:51,201 INFO L226 Difference]: Without dead ends: 2816 [2020-09-21 11:28:51,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:51,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2020-09-21 11:28:51,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2624. [2020-09-21 11:28:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-09-21 11:28:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2984 transitions. [2020-09-21 11:28:51,288 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2984 transitions. Word has length 369 [2020-09-21 11:28:51,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:51,289 INFO L479 AbstractCegarLoop]: Abstraction has 2624 states and 2984 transitions. [2020-09-21 11:28:51,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2984 transitions. [2020-09-21 11:28:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-09-21 11:28:51,295 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:51,296 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:28:51,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:28:51,296 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:51,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:51,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1519298699, now seen corresponding path program 1 times [2020-09-21 11:28:51,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:51,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521955977] [2020-09-21 11:28:51,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:51,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -342 [2020-09-21 11:28:51,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 342 [2020-09-21 11:28:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-09-21 11:28:51,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:28:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 348 [2020-09-21 11:28:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:28:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:51,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:51,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:51,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:51,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:51,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:28:51,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:51,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:51,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-21 11:28:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:28:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:51,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-09-21 11:28:51,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521955977] [2020-09-21 11:28:51,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:51,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:51,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049083176] [2020-09-21 11:28:51,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:51,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:51,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:51,872 INFO L87 Difference]: Start difference. First operand 2624 states and 2984 transitions. Second operand 5 states. [2020-09-21 11:28:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:53,359 INFO L93 Difference]: Finished difference Result 5802 states and 6693 transitions. [2020-09-21 11:28:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:53,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 389 [2020-09-21 11:28:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:53,361 INFO L225 Difference]: With dead ends: 5802 [2020-09-21 11:28:53,361 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:28:53,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:28:53,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:28:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:28:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:28:53,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 389 [2020-09-21 11:28:53,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:53,375 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:28:53,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:28:53,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:28:53,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:28:53,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:54,494 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2020-09-21 11:28:54,776 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2020-09-21 11:28:55,582 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 34 [2020-09-21 11:28:56,038 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 28 [2020-09-21 11:28:56,516 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 28 [2020-09-21 11:28:56,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:56,521 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-09-21 11:28:56,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:56,521 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-21 11:28:56,521 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-21 11:28:56,522 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,522 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,522 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,522 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-21 11:28:56,522 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:28:56,522 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,523 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-21 11:28:56,524 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:28:56,525 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,526 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-21 11:28:56,527 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:28:56,528 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,529 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-21 11:28:56,530 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:28:56,531 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,532 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-21 11:28:56,533 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-21 11:28:56,533 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:28:56,533 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:28:56,533 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:28:56,533 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-21 11:28:56,533 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (and .cse0 (= ~a21~0 |old(~a21~0)|) .cse1 .cse2))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) (not (= 9 |old(~a21~0)|))) (or .cse3 (= 6 |old(~a15~0)|)) (or .cse3 (not (<= |old(~a12~0)| 80))) (or (and .cse0 (= ~a21~0 6) .cse1 .cse2) (not (= 6 |old(~a21~0)|)))))) [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:28:56,534 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,535 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-21 11:28:56,536 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-21 11:28:56,537 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:28:56,538 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:28:56,539 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,540 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,541 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,542 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,543 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:28:56,544 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-21 11:28:56,545 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:28:56,546 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-21 11:28:56,547 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,548 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-21 11:28:56,549 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-21 11:28:56,550 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:56,551 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8)) [2020-09-21 11:28:56,551 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:56,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:56,551 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-09-21 11:28:56,551 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:56,551 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (= ~a21~0 6) (not (<= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (= ~a21~0 9) (not (<= 7 |old(~a21~0)|)) (<= ~a12~0 80) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:56,551 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-21 11:28:56,552 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-21 11:28:56,552 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (= ~a21~0 6) (not (<= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (= ~a21~0 9) (not (<= 7 |old(~a21~0)|)) (<= ~a12~0 80) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:56,552 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:56,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:56 BoogieIcfgContainer [2020-09-21 11:28:56,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:56,579 INFO L168 Benchmark]: Toolchain (without parser) took 30814.48 ms. Allocated memory was 139.5 MB in the beginning and 616.0 MB in the end (delta: 476.6 MB). Free memory was 100.9 MB in the beginning and 538.0 MB in the end (delta: -437.1 MB). Peak memory consumption was 498.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:56,580 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 11:28:56,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.87 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 100.2 MB in the beginning and 170.0 MB in the end (delta: -69.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:56,582 INFO L168 Benchmark]: Boogie Preprocessor took 173.20 ms. Allocated memory is still 206.6 MB. Free memory was 170.0 MB in the beginning and 164.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:56,583 INFO L168 Benchmark]: RCFGBuilder took 1658.55 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 164.1 MB in the beginning and 159.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:56,584 INFO L168 Benchmark]: TraceAbstraction took 28021.39 ms. Allocated memory was 238.6 MB in the beginning and 616.0 MB in the end (delta: 377.5 MB). Free memory was 158.3 MB in the beginning and 538.0 MB in the end (delta: -379.6 MB). Peak memory consumption was 456.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:56,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 949.87 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 100.2 MB in the beginning and 170.0 MB in the end (delta: -69.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.20 ms. Allocated memory is still 206.6 MB. Free memory was 170.0 MB in the beginning and 164.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1658.55 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 164.1 MB in the beginning and 159.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28021.39 ms. Allocated memory was 238.6 MB in the beginning and 616.0 MB in the end (delta: 377.5 MB). Free memory was 158.3 MB in the beginning and 538.0 MB in the end (delta: -379.6 MB). Peak memory consumption was 456.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((a21 == 6 || !(8 <= \old(a15))) || !(a15 == 6)) || !(\old(a15) <= 8)) || a21 == 9) || !(7 <= \old(a21))) || a12 <= 80) || !(\old(a12) + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 246 SDtfs, 4856 SDslu, 278 SDs, 0 SdLazy, 8948 SolverSat, 1594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2624occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 850 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 119 NumberOfFragments, 218 HoareAnnotationTreeSize, 75 FomulaSimplifications, 123871 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 47878 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2262 NumberOfCodeBlocks, 2262 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2253 ConstructedInterpolants, 0 QuantifiedInterpolants, 1560767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 2149/2164 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...