/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:01:18,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:01:18,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:01:18,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:01:18,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:01:18,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:01:18,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:01:18,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:01:18,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:01:18,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:01:18,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:01:18,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:01:18,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:01:18,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:01:18,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:01:18,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:01:18,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:01:18,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:01:18,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:01:18,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:01:18,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:01:18,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:01:18,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:01:18,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:01:18,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:01:18,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:01:18,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:01:18,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:01:18,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:01:18,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:01:18,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:01:18,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:01:18,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:01:18,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:01:18,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:01:18,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:01:18,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:01:18,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:01:18,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:01:18,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:01:18,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:01:18,930 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 [2020-10-14 21:01:18,957 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:01:18,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:01:18,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:01:18,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:01:18,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:01:18,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:01:18,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:01:18,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:01:18,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:01:18,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:01:18,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:01:18,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:01:18,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:01:18,968 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:01:18,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:01:18,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:01:18,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:01:18,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:01:18,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:01:18,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:01:18,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:01:18,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:01:18,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:01:18,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:01:18,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:01:18,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:01:18,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:01:18,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:01:18,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:01:18,971 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:01:19,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:01:19,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:01:19,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:01:19,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:01:19,297 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:01:19,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-14 21:01:19,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e0cb2b6c/e3b0dbcb8cab4e16889566c954b24e27/FLAG7b2e5225d [2020-10-14 21:01:19,973 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:01:19,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-14 21:01:19,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e0cb2b6c/e3b0dbcb8cab4e16889566c954b24e27/FLAG7b2e5225d [2020-10-14 21:01:20,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e0cb2b6c/e3b0dbcb8cab4e16889566c954b24e27 [2020-10-14 21:01:20,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:01:20,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:01:20,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:01:20,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:01:20,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:01:20,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:20" (1/1) ... [2020-10-14 21:01:20,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb66ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:20, skipping insertion in model container [2020-10-14 21:01:20,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:20" (1/1) ... [2020-10-14 21:01:20,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:01:20,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:01:21,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:01:21,013 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:01:21,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:01:21,240 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:01:21,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21 WrapperNode [2020-10-14 21:01:21,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:01:21,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:01:21,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:01:21,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:01:21,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:01:21,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:01:21,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:01:21,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:01:21,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (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 [2020-10-14 21:01:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:01:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:01:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:01:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:01:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:01:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:01:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:01:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:01:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:01:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:01:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:01:23,367 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:01:23,367 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:01:23,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:23 BoogieIcfgContainer [2020-10-14 21:01:23,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:01:23,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:01:23,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:01:23,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:01:23,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:01:20" (1/3) ... [2020-10-14 21:01:23,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd8f123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:23, skipping insertion in model container [2020-10-14 21:01:23,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (2/3) ... [2020-10-14 21:01:23,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd8f123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:23, skipping insertion in model container [2020-10-14 21:01:23,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:23" (3/3) ... [2020-10-14 21:01:23,386 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label38.c [2020-10-14 21:01:23,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:01:23,407 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:01:23,423 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:01:23,453 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:01:23,453 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:01:23,454 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:01:23,454 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:01:23,454 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:01:23,454 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:01:23,454 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:01:23,455 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:01:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 21:01:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 21:01:23,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:23,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:23,495 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:23,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:23,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1782601651, now seen corresponding path program 1 times [2020-10-14 21:01:23,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:23,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287975114] [2020-10-14 21:01:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:23,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:24,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:24,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:01:24,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:24,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-14 21:01:24,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:24,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:01:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:01:24,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:24,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:24,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:24,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:24,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:24,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:01:24,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:24,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:24,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:24,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:24,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:24,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287975114] [2020-10-14 21:01:24,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:24,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:01:24,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760872939] [2020-10-14 21:01:24,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:01:24,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:24,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:01:24,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:01:24,443 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 21:01:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:26,926 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-14 21:01:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:26,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2020-10-14 21:01:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:26,947 INFO L225 Difference]: With dead ends: 806 [2020-10-14 21:01:26,947 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 21:01:26,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 21:01:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-14 21:01:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-14 21:01:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-14 21:01:27,040 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 66 [2020-10-14 21:01:27,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:27,041 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-14 21:01:27,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:01:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-14 21:01:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 21:01:27,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:27,049 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, 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] [2020-10-14 21:01:27,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:01:27,049 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash -113033966, now seen corresponding path program 1 times [2020-10-14 21:01:27,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:27,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676924994] [2020-10-14 21:01:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:27,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:27,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:28,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:28,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:28,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:01:28,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1747 [2020-10-14 21:01:28,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:28,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:01:28,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:01:28,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:28,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:28,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:28,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:28,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:28,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:28,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:28,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:28,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:28,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:28,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:28,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:28,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:29,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:29,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:01:29,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 21:01:29,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:29,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:29,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:01:29,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:29,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676924994] [2020-10-14 21:01:29,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:29,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:01:29,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082403909] [2020-10-14 21:01:29,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:01:29,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:29,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:01:29,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:29,155 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 5 states. [2020-10-14 21:01:31,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:31,431 INFO L93 Difference]: Finished difference Result 1250 states and 1825 transitions. [2020-10-14 21:01:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:31,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 21:01:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:31,439 INFO L225 Difference]: With dead ends: 1250 [2020-10-14 21:01:31,442 INFO L226 Difference]: Without dead ends: 828 [2020-10-14 21:01:31,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:31,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-14 21:01:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 814. [2020-10-14 21:01:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-10-14 21:01:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1085 transitions. [2020-10-14 21:01:31,522 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1085 transitions. Word has length 138 [2020-10-14 21:01:31,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:31,525 INFO L479 AbstractCegarLoop]: Abstraction has 814 states and 1085 transitions. [2020-10-14 21:01:31,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:01:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1085 transitions. [2020-10-14 21:01:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 21:01:31,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:31,538 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, 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] [2020-10-14 21:01:31,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:01:31,538 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:31,539 INFO L82 PathProgramCache]: Analyzing trace with hash -843469074, now seen corresponding path program 1 times [2020-10-14 21:01:31,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:31,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275542238] [2020-10-14 21:01:31,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:31,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:31,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:31,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:33,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:33,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 21:01:33,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1525 [2020-10-14 21:01:33,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:33,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:01:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:01:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:33,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:33,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:33,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:33,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:33,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:33,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:33,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:33,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:33,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:33,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:33,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:33,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:33,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 21:01:33,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:33,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:33,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:01:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:33,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275542238] [2020-10-14 21:01:33,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:33,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:01:33,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347945161] [2020-10-14 21:01:33,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:01:33,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:33,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:01:33,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:33,454 INFO L87 Difference]: Start difference. First operand 814 states and 1085 transitions. Second operand 5 states. [2020-10-14 21:01:35,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:35,774 INFO L93 Difference]: Finished difference Result 2016 states and 2768 transitions. [2020-10-14 21:01:35,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:35,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-14 21:01:35,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:35,784 INFO L225 Difference]: With dead ends: 2016 [2020-10-14 21:01:35,784 INFO L226 Difference]: Without dead ends: 1208 [2020-10-14 21:01:35,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-10-14 21:01:35,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1199. [2020-10-14 21:01:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-14 21:01:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1639 transitions. [2020-10-14 21:01:35,832 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1639 transitions. Word has length 140 [2020-10-14 21:01:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:35,833 INFO L479 AbstractCegarLoop]: Abstraction has 1199 states and 1639 transitions. [2020-10-14 21:01:35,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:01:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1639 transitions. [2020-10-14 21:01:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 21:01:35,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:35,839 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:35,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:01:35,844 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:35,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:35,845 INFO L82 PathProgramCache]: Analyzing trace with hash 200856894, now seen corresponding path program 1 times [2020-10-14 21:01:35,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:35,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736224797] [2020-10-14 21:01:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:35,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:36,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:37,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:37,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:01:37,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:37,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1211 [2020-10-14 21:01:37,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:37,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:37,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:01:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 21:01:37,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:37,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:37,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:37,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:01:37,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:37,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:37,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:37,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:37,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 21:01:37,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:37,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 21:01:37,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:37,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 21:01:37,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:37,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736224797] [2020-10-14 21:01:37,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:37,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:01:37,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382197611] [2020-10-14 21:01:37,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:37,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:37,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:37,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:37,566 INFO L87 Difference]: Start difference. First operand 1199 states and 1639 transitions. Second operand 7 states. [2020-10-14 21:01:40,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:40,383 INFO L93 Difference]: Finished difference Result 3421 states and 4916 transitions. [2020-10-14 21:01:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:01:40,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-10-14 21:01:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:40,401 INFO L225 Difference]: With dead ends: 3421 [2020-10-14 21:01:40,402 INFO L226 Difference]: Without dead ends: 2228 [2020-10-14 21:01:40,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:01:40,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-10-14 21:01:40,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2200. [2020-10-14 21:01:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2020-10-14 21:01:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 2888 transitions. [2020-10-14 21:01:40,476 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 2888 transitions. Word has length 164 [2020-10-14 21:01:40,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:40,476 INFO L479 AbstractCegarLoop]: Abstraction has 2200 states and 2888 transitions. [2020-10-14 21:01:40,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2888 transitions. [2020-10-14 21:01:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 21:01:40,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:40,483 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, 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] [2020-10-14 21:01:40,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:01:40,483 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:40,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:40,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1623350283, now seen corresponding path program 1 times [2020-10-14 21:01:40,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:40,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587324885] [2020-10-14 21:01:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:40,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:40,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:40,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:42,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:45,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:45,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 21:01:45,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:01:45,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 21:01:45,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:45,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:01:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:01:45,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:45,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:45,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:45,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:45,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:45,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:45,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:45,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:45,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:45,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:45,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:45,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 21:01:45,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:45,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:01:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:01:45,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 21:01:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:45,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:45,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:01:45,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 21:01:45,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:45,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:45,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:45,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:01:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:01:46,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587324885] [2020-10-14 21:01:46,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:46,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:46,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222971271] [2020-10-14 21:01:46,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:46,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:46,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:46,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:46,111 INFO L87 Difference]: Start difference. First operand 2200 states and 2888 transitions. Second operand 7 states. [2020-10-14 21:01:49,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:49,238 INFO L93 Difference]: Finished difference Result 5695 states and 8447 transitions. [2020-10-14 21:01:49,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:01:49,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2020-10-14 21:01:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:49,268 INFO L225 Difference]: With dead ends: 5695 [2020-10-14 21:01:49,268 INFO L226 Difference]: Without dead ends: 3501 [2020-10-14 21:01:49,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:01:49,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2020-10-14 21:01:49,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3374. [2020-10-14 21:01:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3374 states. [2020-10-14 21:01:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4525 transitions. [2020-10-14 21:01:49,425 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4525 transitions. Word has length 224 [2020-10-14 21:01:49,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:49,426 INFO L479 AbstractCegarLoop]: Abstraction has 3374 states and 4525 transitions. [2020-10-14 21:01:49,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4525 transitions. [2020-10-14 21:01:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-14 21:01:49,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:49,434 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:01:49,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:01:49,434 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:49,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1238053662, now seen corresponding path program 1 times [2020-10-14 21:01:49,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:49,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560150762] [2020-10-14 21:01:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:49,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:49,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:49,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:49,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:54,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:54,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-14 21:01:54,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:01:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:01:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:54,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:01:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-14 21:01:54,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:54,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:54,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:54,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:54,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:01:54,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:54,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:54,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:54,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:54,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:54,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:54,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:01:54,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 21:01:54,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:54,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:01:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:54,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:01:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:54,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:54,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 21:01:54,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 21:01:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:54,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 21:01:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:01:55,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560150762] [2020-10-14 21:01:55,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:55,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:55,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706450329] [2020-10-14 21:01:55,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:55,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:55,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:55,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:55,261 INFO L87 Difference]: Start difference. First operand 3374 states and 4525 transitions. Second operand 7 states. [2020-10-14 21:01:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:57,613 INFO L93 Difference]: Finished difference Result 8091 states and 11079 transitions. [2020-10-14 21:01:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:01:57,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 229 [2020-10-14 21:01:57,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:57,637 INFO L225 Difference]: With dead ends: 8091 [2020-10-14 21:01:57,638 INFO L226 Difference]: Without dead ends: 4723 [2020-10-14 21:01:57,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:01:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2020-10-14 21:01:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4516. [2020-10-14 21:01:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4516 states. [2020-10-14 21:01:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 5626 transitions. [2020-10-14 21:01:57,774 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 5626 transitions. Word has length 229 [2020-10-14 21:01:57,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:57,774 INFO L479 AbstractCegarLoop]: Abstraction has 4516 states and 5626 transitions. [2020-10-14 21:01:57,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 5626 transitions. [2020-10-14 21:01:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 21:01:57,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:57,783 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:01:57,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:01:57,783 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:57,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:57,784 INFO L82 PathProgramCache]: Analyzing trace with hash -133527899, now seen corresponding path program 1 times [2020-10-14 21:01:57,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:57,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401138886] [2020-10-14 21:01:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:57,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:58,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:59,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:02,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:02,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 21:02:02,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:02:02,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4425 [2020-10-14 21:02:02,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:02,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:02:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 21:02:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:02,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:02,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:02,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:02,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:02:02,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:02,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:02,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:02,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:02,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:02:02,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:02,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:02:02,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:02,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:02:02,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:02:02,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:02:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:02,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:02,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:02,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:02:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-14 21:02:02,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:02,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:02:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:02:03,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401138886] [2020-10-14 21:02:03,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:03,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:03,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260542584] [2020-10-14 21:02:03,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:03,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:03,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:03,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:03,225 INFO L87 Difference]: Start difference. First operand 4516 states and 5626 transitions. Second operand 7 states. [2020-10-14 21:02:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:06,005 INFO L93 Difference]: Finished difference Result 9824 states and 12973 transitions. [2020-10-14 21:02:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:02:06,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-14 21:02:06,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:06,033 INFO L225 Difference]: With dead ends: 9824 [2020-10-14 21:02:06,033 INFO L226 Difference]: Without dead ends: 4718 [2020-10-14 21:02:06,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:02:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2020-10-14 21:02:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 4542. [2020-10-14 21:02:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4542 states. [2020-10-14 21:02:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 4542 states and 5585 transitions. [2020-10-14 21:02:06,199 INFO L78 Accepts]: Start accepts. Automaton has 4542 states and 5585 transitions. Word has length 232 [2020-10-14 21:02:06,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:06,199 INFO L479 AbstractCegarLoop]: Abstraction has 4542 states and 5585 transitions. [2020-10-14 21:02:06,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 4542 states and 5585 transitions. [2020-10-14 21:02:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-14 21:02:06,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:06,208 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:06,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:02:06,209 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:06,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1119102879, now seen corresponding path program 1 times [2020-10-14 21:02:06,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:06,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890911305] [2020-10-14 21:02:06,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:06,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:06,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:06,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:08,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:10,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:10,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-14 21:02:10,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:02:10,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4110 [2020-10-14 21:02:10,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:10,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:10,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:10,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:02:10,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-14 21:02:10,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:10,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:10,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:10,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:10,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:10,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:10,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:02:10,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:10,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:10,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:10,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:02:10,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:02:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:10,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:02:10,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:10,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:02:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:10,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:10,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:10,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 21:02:10,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:10,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-14 21:02:10,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:10,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 21:02:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 126 proven. 59 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:02:11,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890911305] [2020-10-14 21:02:11,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:11,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:02:11,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158536814] [2020-10-14 21:02:11,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:02:11,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:11,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:02:11,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:02:11,020 INFO L87 Difference]: Start difference. First operand 4542 states and 5585 transitions. Second operand 6 states. [2020-10-14 21:02:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:13,292 INFO L93 Difference]: Finished difference Result 9717 states and 12049 transitions. [2020-10-14 21:02:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:02:13,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2020-10-14 21:02:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:13,316 INFO L225 Difference]: With dead ends: 9717 [2020-10-14 21:02:13,316 INFO L226 Difference]: Without dead ends: 5181 [2020-10-14 21:02:13,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:13,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5181 states. [2020-10-14 21:02:13,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5181 to 4942. [2020-10-14 21:02:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4942 states. [2020-10-14 21:02:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4942 states to 4942 states and 6127 transitions. [2020-10-14 21:02:13,443 INFO L78 Accepts]: Start accepts. Automaton has 4942 states and 6127 transitions. Word has length 260 [2020-10-14 21:02:13,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:13,443 INFO L479 AbstractCegarLoop]: Abstraction has 4942 states and 6127 transitions. [2020-10-14 21:02:13,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:02:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4942 states and 6127 transitions. [2020-10-14 21:02:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-14 21:02:13,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:13,452 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:13,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:02:13,452 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:13,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1965165978, now seen corresponding path program 1 times [2020-10-14 21:02:13,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:13,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731601196] [2020-10-14 21:02:13,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:17,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3644 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 21:02:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:17,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:17,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:17,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:17,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:17,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:17,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:17,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:17,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:02:17,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 21:02:17,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:17,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:02:17,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:02:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:17,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:02:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 118 proven. 79 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:02:17,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731601196] [2020-10-14 21:02:17,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:17,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:17,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971240800] [2020-10-14 21:02:17,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:17,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:17,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:17,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:17,520 INFO L87 Difference]: Start difference. First operand 4942 states and 6127 transitions. Second operand 7 states. [2020-10-14 21:02:20,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:20,025 INFO L93 Difference]: Finished difference Result 9937 states and 12364 transitions. [2020-10-14 21:02:20,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:20,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2020-10-14 21:02:20,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:20,059 INFO L225 Difference]: With dead ends: 9937 [2020-10-14 21:02:20,059 INFO L226 Difference]: Without dead ends: 5001 [2020-10-14 21:02:20,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:20,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5001 states. [2020-10-14 21:02:20,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5001 to 4944. [2020-10-14 21:02:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4944 states. [2020-10-14 21:02:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6122 transitions. [2020-10-14 21:02:20,186 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6122 transitions. Word has length 260 [2020-10-14 21:02:20,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:20,187 INFO L479 AbstractCegarLoop]: Abstraction has 4944 states and 6122 transitions. [2020-10-14 21:02:20,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6122 transitions. [2020-10-14 21:02:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-14 21:02:20,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:20,195 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:20,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:02:20,195 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:20,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:20,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1028594829, now seen corresponding path program 1 times [2020-10-14 21:02:20,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:20,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150340411] [2020-10-14 21:02:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:20,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:20,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:20,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:20,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-14 21:02:20,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:20,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-14 21:02:20,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:20,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:02:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:02:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:21,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:21,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:21,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:21,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:21,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:02:21,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:21,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:21,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:21,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:21,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:21,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:02:21,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:21,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:02:21,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:21,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:21,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:02:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:21,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:21,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:02:21,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 21:02:21,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:21,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:02:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 21:02:21,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150340411] [2020-10-14 21:02:21,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:21,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:02:21,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416436283] [2020-10-14 21:02:21,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:02:21,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:21,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:02:21,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:02:21,460 INFO L87 Difference]: Start difference. First operand 4944 states and 6122 transitions. Second operand 5 states. [2020-10-14 21:02:24,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:24,140 INFO L93 Difference]: Finished difference Result 12597 states and 15906 transitions. [2020-10-14 21:02:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:02:24,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-10-14 21:02:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:24,166 INFO L225 Difference]: With dead ends: 12597 [2020-10-14 21:02:24,167 INFO L226 Difference]: Without dead ends: 7659 [2020-10-14 21:02:24,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:02:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2020-10-14 21:02:24,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 7253. [2020-10-14 21:02:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7253 states. [2020-10-14 21:02:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7253 states to 7253 states and 9179 transitions. [2020-10-14 21:02:24,351 INFO L78 Accepts]: Start accepts. Automaton has 7253 states and 9179 transitions. Word has length 266 [2020-10-14 21:02:24,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:24,352 INFO L479 AbstractCegarLoop]: Abstraction has 7253 states and 9179 transitions. [2020-10-14 21:02:24,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:02:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 7253 states and 9179 transitions. [2020-10-14 21:02:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-14 21:02:24,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:24,363 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:24,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:02:24,363 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:24,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:24,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1797092940, now seen corresponding path program 1 times [2020-10-14 21:02:24,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:24,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945948694] [2020-10-14 21:02:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:24,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:24,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:25,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:26,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:26,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-14 21:02:26,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:02:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1878 [2020-10-14 21:02:26,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:26,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:02:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:26,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:26,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:26,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:02:26,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:26,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:26,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:26,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:02:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:02:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:26,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:26,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:26,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 21:02:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 216 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:02:26,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945948694] [2020-10-14 21:02:26,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:26,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:26,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935447364] [2020-10-14 21:02:26,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:26,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:26,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:26,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:26,805 INFO L87 Difference]: Start difference. First operand 7253 states and 9179 transitions. Second operand 7 states. [2020-10-14 21:02:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:29,398 INFO L93 Difference]: Finished difference Result 16492 states and 21034 transitions. [2020-10-14 21:02:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:29,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 283 [2020-10-14 21:02:29,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:29,438 INFO L225 Difference]: With dead ends: 16492 [2020-10-14 21:02:29,438 INFO L226 Difference]: Without dead ends: 9245 [2020-10-14 21:02:29,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:29,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2020-10-14 21:02:29,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 9207. [2020-10-14 21:02:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9207 states. [2020-10-14 21:02:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9207 states to 9207 states and 11692 transitions. [2020-10-14 21:02:29,694 INFO L78 Accepts]: Start accepts. Automaton has 9207 states and 11692 transitions. Word has length 283 [2020-10-14 21:02:29,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:29,695 INFO L479 AbstractCegarLoop]: Abstraction has 9207 states and 11692 transitions. [2020-10-14 21:02:29,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 9207 states and 11692 transitions. [2020-10-14 21:02:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-14 21:02:29,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:29,707 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:29,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:02:29,707 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:29,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:29,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1895970792, now seen corresponding path program 1 times [2020-10-14 21:02:29,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:29,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971895960] [2020-10-14 21:02:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:29,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:30,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:30,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:30,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-14 21:02:30,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:02:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:30,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:30,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:30,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:30,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:30,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:30,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:02:30,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:30,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:30,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:30,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:30,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:02:30,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:30,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:02:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:30,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:30,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:30,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:02:30,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:02:30,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:30,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:02:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 21:02:30,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971895960] [2020-10-14 21:02:30,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:30,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:02:30,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811126892] [2020-10-14 21:02:30,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:02:30,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:30,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:02:30,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:02:30,950 INFO L87 Difference]: Start difference. First operand 9207 states and 11692 transitions. Second operand 5 states. [2020-10-14 21:02:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:32,998 INFO L93 Difference]: Finished difference Result 11311 states and 14374 transitions. [2020-10-14 21:02:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:02:33,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 293 [2020-10-14 21:02:33,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:33,042 INFO L225 Difference]: With dead ends: 11311 [2020-10-14 21:02:33,042 INFO L226 Difference]: Without dead ends: 11309 [2020-10-14 21:02:33,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:02:33,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11309 states. [2020-10-14 21:02:33,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11309 to 10723. [2020-10-14 21:02:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10723 states. [2020-10-14 21:02:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10723 states to 10723 states and 13705 transitions. [2020-10-14 21:02:33,277 INFO L78 Accepts]: Start accepts. Automaton has 10723 states and 13705 transitions. Word has length 293 [2020-10-14 21:02:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:33,277 INFO L479 AbstractCegarLoop]: Abstraction has 10723 states and 13705 transitions. [2020-10-14 21:02:33,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:02:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 10723 states and 13705 transitions. [2020-10-14 21:02:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-14 21:02:33,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:33,305 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:02:33,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:02:33,305 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:33,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:33,305 INFO L82 PathProgramCache]: Analyzing trace with hash -637238994, now seen corresponding path program 1 times [2020-10-14 21:02:33,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:33,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291560708] [2020-10-14 21:02:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:33,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:34,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:35,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:35,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 391 [2020-10-14 21:02:35,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:02:35,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2491 [2020-10-14 21:02:35,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:35,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:35,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:02:35,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:02:35,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:02:35,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:36,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:36,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:36,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:02:36,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:36,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:02:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:02:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:02:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:02:36,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 244 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:02:36,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291560708] [2020-10-14 21:02:36,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:36,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:02:36,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048566218] [2020-10-14 21:02:36,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:02:36,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:36,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:02:36,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:36,744 INFO L87 Difference]: Start difference. First operand 10723 states and 13705 transitions. Second operand 8 states. [2020-10-14 21:02:39,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:39,798 INFO L93 Difference]: Finished difference Result 22616 states and 29101 transitions. [2020-10-14 21:02:39,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:39,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 379 [2020-10-14 21:02:39,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:39,826 INFO L225 Difference]: With dead ends: 22616 [2020-10-14 21:02:39,827 INFO L226 Difference]: Without dead ends: 12068 [2020-10-14 21:02:39,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12068 states. [2020-10-14 21:02:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12068 to 11662. [2020-10-14 21:02:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11662 states. [2020-10-14 21:02:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 15013 transitions. [2020-10-14 21:02:40,076 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 15013 transitions. Word has length 379 [2020-10-14 21:02:40,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:40,077 INFO L479 AbstractCegarLoop]: Abstraction has 11662 states and 15013 transitions. [2020-10-14 21:02:40,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:02:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 15013 transitions. [2020-10-14 21:02:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-14 21:02:40,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:40,110 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, 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, 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] [2020-10-14 21:02:40,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:02:40,111 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:40,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1078386067, now seen corresponding path program 1 times [2020-10-14 21:02:40,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:40,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475847895] [2020-10-14 21:02:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:40,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:43,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:43,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-14 21:02:43,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:02:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2850 [2020-10-14 21:02:43,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:43,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:43,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:02:43,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:02:43,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 279 [2020-10-14 21:02:43,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:43,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:43,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:43,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:43,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:43,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:02:43,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:02:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:43,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:02:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:43,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:43,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:43,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 21:02:43,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 21:02:43,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:43,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 21:02:43,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:43,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 21:02:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:02:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 257 proven. 212 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 21:02:43,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475847895] [2020-10-14 21:02:43,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:43,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:43,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68208188] [2020-10-14 21:02:43,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:43,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:43,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:43,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:43,631 INFO L87 Difference]: Start difference. First operand 11662 states and 15013 transitions. Second operand 7 states. [2020-10-14 21:02:45,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:45,768 INFO L93 Difference]: Finished difference Result 23308 states and 31156 transitions. [2020-10-14 21:02:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:02:45,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 406 [2020-10-14 21:02:45,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:45,803 INFO L225 Difference]: With dead ends: 23308 [2020-10-14 21:02:45,803 INFO L226 Difference]: Without dead ends: 11840 [2020-10-14 21:02:45,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:02:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11840 states. [2020-10-14 21:02:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11840 to 11662. [2020-10-14 21:02:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11662 states. [2020-10-14 21:02:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 14918 transitions. [2020-10-14 21:02:46,075 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 14918 transitions. Word has length 406 [2020-10-14 21:02:46,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:46,076 INFO L479 AbstractCegarLoop]: Abstraction has 11662 states and 14918 transitions. [2020-10-14 21:02:46,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 14918 transitions. [2020-10-14 21:02:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-10-14 21:02:46,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:46,124 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:46,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:02:46,124 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:46,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:46,125 INFO L82 PathProgramCache]: Analyzing trace with hash 737219243, now seen corresponding path program 1 times [2020-10-14 21:02:46,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:46,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465062445] [2020-10-14 21:02:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:46,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:48,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:51,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:51,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 471 [2020-10-14 21:02:51,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:02:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 21:02:51,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:51,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:02:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-10-14 21:02:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:02:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:51,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:51,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:51,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:51,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:02:51,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:51,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:51,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:51,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:51,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:51,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:51,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:02:51,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:51,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:02:51,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:51,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:51,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:02:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:51,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:51,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:02:51,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-14 21:02:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:51,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:51,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:02:51,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-14 21:02:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:51,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:02:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:02:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 386 proven. 17 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-14 21:02:52,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465062445] [2020-10-14 21:02:52,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:52,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:02:52,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994377788] [2020-10-14 21:02:52,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:02:52,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:52,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:02:52,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:52,198 INFO L87 Difference]: Start difference. First operand 11662 states and 14918 transitions. Second operand 8 states. [2020-10-14 21:02:54,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:54,282 INFO L93 Difference]: Finished difference Result 22979 states and 29455 transitions. [2020-10-14 21:02:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:02:54,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 457 [2020-10-14 21:02:54,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:54,283 INFO L225 Difference]: With dead ends: 22979 [2020-10-14 21:02:54,283 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:02:54,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:54,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:02:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:02:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:02:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:02:54,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 457 [2020-10-14 21:02:54,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:54,303 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:02:54,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:02:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:02:54,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:02:54,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:02:54,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:02:56,058 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 468 DAG size of output: 185 [2020-10-14 21:02:56,527 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 185 [2020-10-14 21:02:56,678 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2020-10-14 21:02:57,735 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 280 DAG size of output: 44 [2020-10-14 21:02:58,200 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 48 [2020-10-14 21:02:58,622 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 48 [2020-10-14 21:02:58,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:02:58,627 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 21:02:58,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:02:58,628 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 21:02:58,628 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 21:02:58,628 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 21:02:58,628 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,628 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,629 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,629 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,629 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,629 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,629 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,629 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,630 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,631 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:02:58,632 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,633 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 21:02:58,634 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,635 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 21:02:58,636 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 21:02:58,637 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,638 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a23~0)| 138))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse1 (not (<= |old(~a29~0)| 599999))) (.cse2 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) (.cse4 (not (<= |old(~a29~0)| 275))) (.cse5 (not (<= |old(~a4~0)| 0)))) (and (or (not (<= 180 |old(~a23~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= 9 |old(~a25~0)|)) .cse3) (or .cse0 .cse2 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 (not (<= |old(~a25~0)| 11)) .cse2) (or .cse2 .cse4 .cse5))) [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 21:02:58,639 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,640 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 21:02:58,641 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,642 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,643 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:02:58,644 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,645 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,646 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,647 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,648 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,649 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,650 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 21:02:58,651 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,652 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:02:58,653 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:02:58,654 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 312 ~a23~0) (<= 1 ~a4~0) (<= ~a25~0 11) (<= ~a29~0 130) (= ~a8~0 15) (= ~a3~0 1) (<= ~a4~0 1)) [2020-10-14 21:02:58,655 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:02:58,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:02:58,655 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (= ~a8~0 15)) (not (<= |old(~a25~0)| 11)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-14 21:02:58,655 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:02:58,655 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 275)) (.cse2 (<= ~a29~0 599999)) (.cse3 (<= ~a4~0 0)) (.cse4 (<= ~a23~0 138)) (.cse1 (= ~a4~0 1))) (or (not (= |old(~a4~0)| 1)) (and .cse0 .cse1) (and .cse2 (<= ~a25~0 11) .cse1) (and .cse0 .cse3) (not (= ~a8~0 15)) (not (<= |old(~a25~0)| 11)) (and .cse2 (<= 180 ~a23~0) .cse1) (and .cse2 .cse4 .cse3) (and .cse4 (= ~a25~0 9) .cse1) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1)))) [2020-10-14 21:02:58,655 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 21:02:58,655 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 21:02:58,656 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 275)) (.cse2 (<= ~a29~0 599999)) (.cse3 (<= ~a4~0 0)) (.cse4 (<= ~a23~0 138)) (.cse1 (= ~a4~0 1))) (or (not (= |old(~a4~0)| 1)) (and .cse0 .cse1) (and .cse2 (<= ~a25~0 11) .cse1) (and .cse0 .cse3) (not (= ~a8~0 15)) (not (<= |old(~a25~0)| 11)) (and .cse2 (<= 180 ~a23~0) .cse1) (and .cse2 .cse4 .cse3) (and .cse4 (= ~a25~0 9) .cse1) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1)))) [2020-10-14 21:02:58,656 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:02:58,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:02:58 BoogieIcfgContainer [2020-10-14 21:02:58,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:02:58,681 INFO L168 Benchmark]: Toolchain (without parser) took 98472.94 ms. Allocated memory was 146.8 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 99.7 MB in the beginning and 1.0 GB in the end (delta: -917.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 21:02:58,682 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 21:02:58,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.28 ms. Allocated memory was 146.8 MB in the beginning and 209.7 MB in the end (delta: 62.9 MB). Free memory was 99.7 MB in the beginning and 163.9 MB in the end (delta: -64.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:02:58,684 INFO L168 Benchmark]: Boogie Preprocessor took 159.59 ms. Allocated memory is still 209.7 MB. Free memory was 163.9 MB in the beginning and 156.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-10-14 21:02:58,685 INFO L168 Benchmark]: RCFGBuilder took 1973.51 ms. Allocated memory was 209.7 MB in the beginning and 243.8 MB in the end (delta: 34.1 MB). Free memory was 156.5 MB in the beginning and 100.8 MB in the end (delta: 55.7 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2020-10-14 21:02:58,685 INFO L168 Benchmark]: TraceAbstraction took 95302.84 ms. Allocated memory was 243.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 100.8 MB in the beginning and 1.0 GB in the end (delta: -916.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-14 21:02:58,689 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1031.28 ms. Allocated memory was 146.8 MB in the beginning and 209.7 MB in the end (delta: 62.9 MB). Free memory was 99.7 MB in the beginning and 163.9 MB in the end (delta: -64.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.59 ms. Allocated memory is still 209.7 MB. Free memory was 163.9 MB in the beginning and 156.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1973.51 ms. Allocated memory was 209.7 MB in the beginning and 243.8 MB in the end (delta: 34.1 MB). Free memory was 156.5 MB in the beginning and 100.8 MB in the end (delta: 55.7 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 95302.84 ms. Allocated memory was 243.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 100.8 MB in the beginning and 1.0 GB in the end (delta: -916.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 186]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((!(\old(a4) == 1) || (a29 <= 275 && a4 == 1)) || ((a29 <= 599999 && a25 <= 11) && a4 == 1)) || (a29 <= 275 && a4 <= 0)) || !(a8 == 15)) || !(\old(a25) <= 11)) || ((a29 <= 599999 && 180 <= a23) && a4 == 1)) || ((a29 <= 599999 && a23 <= 138) && a4 <= 0)) || ((a23 <= 138 && a25 == 9) && a4 == 1)) || !(\old(a29) <= 130)) || !(312 <= \old(a23))) || !(a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 90.8s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 38.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 674 SDtfs, 9317 SDslu, 1139 SDs, 0 SdLazy, 18607 SolverSat, 2820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11662occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 2477 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 422 PreInvPairs, 562 NumberOfFragments, 405 HoareAnnotationTreeSize, 422 FomulaSimplifications, 7447886 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 90717 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 47.9s InterpolantComputationTime, 3797 NumberOfCodeBlocks, 3797 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3782 ConstructedInterpolants, 0 QuantifiedInterpolants, 3374033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 2640/3041 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...