/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem03_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:52:03,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:52:03,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:52:03,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:52:03,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:52:03,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:52:03,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:52:03,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:52:03,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:52:03,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:52:03,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:52:03,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:52:03,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:52:03,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:52:03,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:52:03,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:52:03,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:52:03,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:52:03,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:52:03,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:52:03,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:52:03,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:52:03,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:52:03,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:52:03,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:52:03,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:52:03,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:52:03,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:52:03,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:52:03,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:52:03,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:52:03,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:52:03,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:52:03,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:52:03,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:52:03,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:52:03,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:52:03,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:52:03,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:52:03,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:52:03,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:52:03,979 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 00:52:04,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:52:04,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:52:04,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:52:04,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:52:04,036 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:52:04,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:52:04,037 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:52:04,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:52:04,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:52:04,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:52:04,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:52:04,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:52:04,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:52:04,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:52:04,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:52:04,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:52:04,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:52:04,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:52:04,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:52:04,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:52:04,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:52:04,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:52:04,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:52:04,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:52:04,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:52:04,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:52:04,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:52:04,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:52:04,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:52:04,042 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:52:04,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:52:04,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:52:04,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:52:04,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:52:04,382 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:52:04,383 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label33.c [2020-10-14 00:52:04,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dacf8dc6/bfa1032293fc4c82b647f153984802c7/FLAGb47ad9d5b [2020-10-14 00:52:05,061 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:52:05,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label33.c [2020-10-14 00:52:05,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dacf8dc6/bfa1032293fc4c82b647f153984802c7/FLAGb47ad9d5b [2020-10-14 00:52:05,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dacf8dc6/bfa1032293fc4c82b647f153984802c7 [2020-10-14 00:52:05,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:52:05,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:52:05,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:52:05,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:52:05,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:52:05,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:52:05" (1/1) ... [2020-10-14 00:52:05,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790958e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:05, skipping insertion in model container [2020-10-14 00:52:05,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:52:05" (1/1) ... [2020-10-14 00:52:05,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:52:05,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:52:06,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:52:06,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:52:06,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:52:06,707 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:52:06,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06 WrapperNode [2020-10-14 00:52:06,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:52:06,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:52:06,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:52:06,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:52:06,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (1/1) ... [2020-10-14 00:52:06,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:52:06,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:52:06,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:52:06,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:52:06,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (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 00:52:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:52:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:52:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:52:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:52:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:52:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:52:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:52:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:52:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:52:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:52:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:52:08,796 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:52:08,796 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:52:08,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:52:08 BoogieIcfgContainer [2020-10-14 00:52:08,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:52:08,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:52:08,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:52:08,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:52:08,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:52:05" (1/3) ... [2020-10-14 00:52:08,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480c34a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:52:08, skipping insertion in model container [2020-10-14 00:52:08,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:06" (2/3) ... [2020-10-14 00:52:08,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480c34a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:52:08, skipping insertion in model container [2020-10-14 00:52:08,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:52:08" (3/3) ... [2020-10-14 00:52:08,812 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2020-10-14 00:52:08,823 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:52:08,831 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:52:08,846 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:52:08,873 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:52:08,873 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:52:08,874 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:52:08,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:52:08,874 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:52:08,874 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:52:08,874 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:52:08,874 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:52:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 00:52:08,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 00:52:08,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:08,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:08,919 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:08,926 INFO L82 PathProgramCache]: Analyzing trace with hash 10375448, now seen corresponding path program 1 times [2020-10-14 00:52:08,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:08,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836800141] [2020-10-14 00:52:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:09,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:13,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:13,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 00:52:13,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:52:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3997 [2020-10-14 00:52:13,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:13,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:52:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:52:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 00:52:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:52:13,918 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:13,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:13,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:13,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:13,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:13,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:13,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:52:13,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:13,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:52:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:14,102 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 00:52:14,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836800141] [2020-10-14 00:52:14,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:52:14,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 00:52:14,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077747208] [2020-10-14 00:52:14,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:52:14,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:14,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:52:14,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:52:14,139 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 5 states. [2020-10-14 00:52:14,456 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:52:14,894 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 00:52:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:18,457 INFO L93 Difference]: Finished difference Result 1121 states and 1986 transitions. [2020-10-14 00:52:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:52:18,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-14 00:52:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:18,482 INFO L225 Difference]: With dead ends: 1121 [2020-10-14 00:52:18,482 INFO L226 Difference]: Without dead ends: 700 [2020-10-14 00:52:18,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:52:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-10-14 00:52:18,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 690. [2020-10-14 00:52:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-14 00:52:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1059 transitions. [2020-10-14 00:52:18,601 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1059 transitions. Word has length 165 [2020-10-14 00:52:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:18,602 INFO L479 AbstractCegarLoop]: Abstraction has 690 states and 1059 transitions. [2020-10-14 00:52:18,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:52:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1059 transitions. [2020-10-14 00:52:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-14 00:52:18,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:18,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:18,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:52:18,613 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:18,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:18,613 INFO L82 PathProgramCache]: Analyzing trace with hash 977216300, now seen corresponding path program 1 times [2020-10-14 00:52:18,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:18,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119496495] [2020-10-14 00:52:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:18,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:21,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:21,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 00:52:21,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:52:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3235 [2020-10-14 00:52:21,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:21,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 00:52:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 00:52:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:22,334 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:22,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:22,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:22,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:52:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:22,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:22,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:22,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:22,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:52:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:22,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:22,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:22,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:52:22,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 00:52:22,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:22,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:52:22,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:52:22,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119496495] [2020-10-14 00:52:22,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:52:22,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:52:22,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546599879] [2020-10-14 00:52:22,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:52:22,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:22,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:52:22,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:52:22,578 INFO L87 Difference]: Start difference. First operand 690 states and 1059 transitions. Second operand 5 states. [2020-10-14 00:52:22,738 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:52:25,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:25,424 INFO L93 Difference]: Finished difference Result 2027 states and 3164 transitions. [2020-10-14 00:52:25,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:52:25,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 177 [2020-10-14 00:52:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:25,436 INFO L225 Difference]: With dead ends: 2027 [2020-10-14 00:52:25,436 INFO L226 Difference]: Without dead ends: 1343 [2020-10-14 00:52:25,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:52:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-10-14 00:52:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1321. [2020-10-14 00:52:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1321 states. [2020-10-14 00:52:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 2011 transitions. [2020-10-14 00:52:25,498 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 2011 transitions. Word has length 177 [2020-10-14 00:52:25,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:25,499 INFO L479 AbstractCegarLoop]: Abstraction has 1321 states and 2011 transitions. [2020-10-14 00:52:25,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:52:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2011 transitions. [2020-10-14 00:52:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-14 00:52:25,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:25,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:25,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:52:25,508 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:25,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:25,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1859025983, now seen corresponding path program 1 times [2020-10-14 00:52:25,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:25,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123350311] [2020-10-14 00:52:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:25,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:26,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:27,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:28,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-14 00:52:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:52:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2810 [2020-10-14 00:52:28,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:28,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 00:52:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 00:52:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:28,643 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:28,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:28,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:28,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:28,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:52:28,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:28,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:28,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:28,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:52:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:28,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:28,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:28,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:52:28,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 00:52:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:28,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 00:52:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:52:28,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123350311] [2020-10-14 00:52:28,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:52:28,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:52:28,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581151898] [2020-10-14 00:52:28,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:52:28,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:28,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:52:28,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:52:28,965 INFO L87 Difference]: Start difference. First operand 1321 states and 2011 transitions. Second operand 5 states. [2020-10-14 00:52:29,192 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:52:32,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:32,133 INFO L93 Difference]: Finished difference Result 3905 states and 6080 transitions. [2020-10-14 00:52:32,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:52:32,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2020-10-14 00:52:32,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:32,151 INFO L225 Difference]: With dead ends: 3905 [2020-10-14 00:52:32,151 INFO L226 Difference]: Without dead ends: 2590 [2020-10-14 00:52:32,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:52:32,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2020-10-14 00:52:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2578. [2020-10-14 00:52:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2578 states. [2020-10-14 00:52:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3821 transitions. [2020-10-14 00:52:32,243 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3821 transitions. Word has length 192 [2020-10-14 00:52:32,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:32,244 INFO L479 AbstractCegarLoop]: Abstraction has 2578 states and 3821 transitions. [2020-10-14 00:52:32,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:52:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3821 transitions. [2020-10-14 00:52:32,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-14 00:52:32,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:32,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:32,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:52:32,254 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:32,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:32,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1028314208, now seen corresponding path program 1 times [2020-10-14 00:52:32,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:32,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053313276] [2020-10-14 00:52:32,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:32,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:33,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:35,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-14 00:52:35,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:52:35,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3564 [2020-10-14 00:52:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:35,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 00:52:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 00:52:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:36,131 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:36,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:36,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:36,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:36,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:36,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:36,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:52:36,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:36,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:36,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:52:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:36,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:36,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:36,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:52:36,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:52:36,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:36,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:36,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:36,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 00:52:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:36,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:36,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:36,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:52:36,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:52:36,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:36,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:52:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 00:52:36,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053313276] [2020-10-14 00:52:36,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:52:36,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:52:36,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271412618] [2020-10-14 00:52:36,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:52:36,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:36,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:52:36,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:52:36,395 INFO L87 Difference]: Start difference. First operand 2578 states and 3821 transitions. Second operand 5 states. [2020-10-14 00:52:36,642 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:52:39,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:39,281 INFO L93 Difference]: Finished difference Result 7665 states and 11687 transitions. [2020-10-14 00:52:39,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:52:39,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2020-10-14 00:52:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:39,316 INFO L225 Difference]: With dead ends: 7665 [2020-10-14 00:52:39,316 INFO L226 Difference]: Without dead ends: 5093 [2020-10-14 00:52:39,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:52:39,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5093 states. [2020-10-14 00:52:39,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5093 to 5087. [2020-10-14 00:52:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5087 states. [2020-10-14 00:52:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 6941 transitions. [2020-10-14 00:52:39,501 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 6941 transitions. Word has length 195 [2020-10-14 00:52:39,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:39,502 INFO L479 AbstractCegarLoop]: Abstraction has 5087 states and 6941 transitions. [2020-10-14 00:52:39,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:52:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 6941 transitions. [2020-10-14 00:52:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-14 00:52:39,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:39,520 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:39,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:52:39,520 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:39,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:39,521 INFO L82 PathProgramCache]: Analyzing trace with hash 905284202, now seen corresponding path program 1 times [2020-10-14 00:52:39,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:39,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426757293] [2020-10-14 00:52:39,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:39,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:39,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:42,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2852 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 00:52:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 00:52:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:52:42,737 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:42,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:42,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:52:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:42,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 00:52:42,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:52:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:42,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:42,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:42,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 00:52:42,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 00:52:42,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:42,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 00:52:42,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:52:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:52:43,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426757293] [2020-10-14 00:52:43,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:52:43,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:52:43,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116707019] [2020-10-14 00:52:43,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:52:43,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:43,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:52:43,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:52:43,038 INFO L87 Difference]: Start difference. First operand 5087 states and 6941 transitions. Second operand 5 states. [2020-10-14 00:52:43,181 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:52:45,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:45,916 INFO L93 Difference]: Finished difference Result 14584 states and 20426 transitions. [2020-10-14 00:52:45,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:52:45,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2020-10-14 00:52:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:45,965 INFO L225 Difference]: With dead ends: 14584 [2020-10-14 00:52:45,966 INFO L226 Difference]: Without dead ends: 9503 [2020-10-14 00:52:45,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:52:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9503 states. [2020-10-14 00:52:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9503 to 9480. [2020-10-14 00:52:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9480 states. [2020-10-14 00:52:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9480 states to 9480 states and 13272 transitions. [2020-10-14 00:52:46,488 INFO L78 Accepts]: Start accepts. Automaton has 9480 states and 13272 transitions. Word has length 210 [2020-10-14 00:52:46,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:46,491 INFO L479 AbstractCegarLoop]: Abstraction has 9480 states and 13272 transitions. [2020-10-14 00:52:46,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:52:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9480 states and 13272 transitions. [2020-10-14 00:52:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-14 00:52:46,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:46,536 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:46,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:52:46,537 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:46,537 INFO L82 PathProgramCache]: Analyzing trace with hash -765128288, now seen corresponding path program 1 times [2020-10-14 00:52:46,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:46,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147319870] [2020-10-14 00:52:46,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:46,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:46,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:48,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:48,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:51,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:51,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-14 00:52:51,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:52:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-14 00:52:51,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:51,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:52:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 00:52:51,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:52:51,861 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:51,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:51,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:51,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:52:51,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:51,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:52:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:52,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:52,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:52:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 00:52:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:52,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:52:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 00:52:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:52,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:52,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:52,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 00:52:52,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-14 00:52:52,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:52,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:52:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 00:52:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:52,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 00:52:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:52,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:52,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 00:52:52,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:52,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:52:52,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:52,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:52:52,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:52:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 126 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:52:52,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147319870] [2020-10-14 00:52:52,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:52:52,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:52:52,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946803583] [2020-10-14 00:52:52,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:52:52,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:52:52,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:52:52,652 INFO L87 Difference]: Start difference. First operand 9480 states and 13272 transitions. Second operand 7 states. [2020-10-14 00:52:52,886 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:52:53,077 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:52:57,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:57,553 INFO L93 Difference]: Finished difference Result 35065 states and 54934 transitions. [2020-10-14 00:52:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:52:57,554 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 279 [2020-10-14 00:52:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:57,720 INFO L225 Difference]: With dead ends: 35065 [2020-10-14 00:52:57,721 INFO L226 Difference]: Without dead ends: 25591 [2020-10-14 00:52:57,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:52:57,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2020-10-14 00:52:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 24920. [2020-10-14 00:52:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24920 states. [2020-10-14 00:52:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24920 states to 24920 states and 34528 transitions. [2020-10-14 00:52:58,843 INFO L78 Accepts]: Start accepts. Automaton has 24920 states and 34528 transitions. Word has length 279 [2020-10-14 00:52:58,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:58,843 INFO L479 AbstractCegarLoop]: Abstraction has 24920 states and 34528 transitions. [2020-10-14 00:52:58,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:52:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 24920 states and 34528 transitions. [2020-10-14 00:52:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2020-10-14 00:52:58,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:52:58,949 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:58,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:52:58,950 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:52:58,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:52:58,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1477249532, now seen corresponding path program 1 times [2020-10-14 00:52:58,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:52:58,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023104003] [2020-10-14 00:52:58,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:52:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:59,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:00,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:04,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:04,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 442 [2020-10-14 00:53:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:53:04,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 00:53:04,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:04,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:53:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 00:53:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 00:53:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:04,341 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:53:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:53:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:04,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:04,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:53:04,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:04,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:53:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:04,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:53:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:53:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:04,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:53:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:04,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:04,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:04,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:53:04,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 00:53:04,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:04,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:53:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:53:04,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:04,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 00:53:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:04,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:04,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:04,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 00:53:04,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 00:53:04,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:04,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:53:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:53:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 00:53:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-14 00:53:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:05,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:05,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:53:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-14 00:53:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:53:05,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 269 proven. 114 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 00:53:05,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023104003] [2020-10-14 00:53:05,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:53:05,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:53:05,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027550320] [2020-10-14 00:53:05,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:53:05,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:53:05,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:53:05,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:53:05,583 INFO L87 Difference]: Start difference. First operand 24920 states and 34528 transitions. Second operand 7 states. [2020-10-14 00:53:05,830 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:53:05,996 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 00:53:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:53:09,497 INFO L93 Difference]: Finished difference Result 53109 states and 79822 transitions. [2020-10-14 00:53:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:53:09,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 428 [2020-10-14 00:53:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:53:09,653 INFO L225 Difference]: With dead ends: 53109 [2020-10-14 00:53:09,653 INFO L226 Difference]: Without dead ends: 28195 [2020-10-14 00:53:09,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:53:09,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28195 states. [2020-10-14 00:53:11,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28195 to 26944. [2020-10-14 00:53:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26944 states. [2020-10-14 00:53:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26944 states to 26944 states and 37159 transitions. [2020-10-14 00:53:11,632 INFO L78 Accepts]: Start accepts. Automaton has 26944 states and 37159 transitions. Word has length 428 [2020-10-14 00:53:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:53:11,633 INFO L479 AbstractCegarLoop]: Abstraction has 26944 states and 37159 transitions. [2020-10-14 00:53:11,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:53:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 26944 states and 37159 transitions. [2020-10-14 00:53:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2020-10-14 00:53:11,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:53:11,712 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:11,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:53:11,712 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:53:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:53:11,712 INFO L82 PathProgramCache]: Analyzing trace with hash 295827701, now seen corresponding path program 1 times [2020-10-14 00:53:11,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:53:11,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517130916] [2020-10-14 00:53:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:53:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:11,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:11,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:16,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:16,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 462 [2020-10-14 00:53:16,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:53:16,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-14 00:53:16,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:16,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:53:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 00:53:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 00:53:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:16,982 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:53:16,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:53:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:16,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:16,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:16,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:53:16,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:16,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:53:16,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:16,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:53:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:53:16,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:53:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:17,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:17,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:53:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 00:53:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:17,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 00:53:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:17,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:53:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:53:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 00:53:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:17,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-14 00:53:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:17,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:17,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:53:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:53:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 309 proven. 114 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-14 00:53:17,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517130916] [2020-10-14 00:53:17,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:53:17,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:53:17,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689300578] [2020-10-14 00:53:17,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:53:17,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:53:17,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:53:17,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:53:17,901 INFO L87 Difference]: Start difference. First operand 26944 states and 37159 transitions. Second operand 7 states. [2020-10-14 00:53:18,290 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:53:19,401 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 00:53:21,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:53:21,701 INFO L93 Difference]: Finished difference Result 51500 states and 76891 transitions. [2020-10-14 00:53:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:53:21,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 448 [2020-10-14 00:53:21,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:53:21,703 INFO L225 Difference]: With dead ends: 51500 [2020-10-14 00:53:21,703 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:53:21,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:53:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:53:21,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:53:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:53:21,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:53:21,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 448 [2020-10-14 00:53:21,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:53:21,814 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:53:21,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:53:21,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:53:21,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:53:21,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:53:21,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:53:28,796 WARN L193 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1022 DAG size of output: 55 [2020-10-14 00:53:32,320 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 1022 DAG size of output: 55 [2020-10-14 00:53:32,548 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 100 [2020-10-14 00:53:34,946 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 398 DAG size of output: 116 [2020-10-14 00:53:35,067 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:53:35,196 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-10-14 00:53:35,326 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-10-14 00:53:35,333 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:53:35,334 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:53:35,334 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:53:35,334 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:53:35,335 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:53:35,335 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,335 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,335 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,335 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,336 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,336 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,336 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,336 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,337 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,338 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 00:53:35,339 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 00:53:35,340 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,341 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,342 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,343 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 00:53:35,344 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,345 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,346 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:53:35,347 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a26~0 |old(~a26~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|)) (.cse6 (= ~a29~0 |old(~a29~0)|)) (.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a3~0 |old(~a3~0)|)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse11 (= ~a9~0 |old(~a9~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a5~0 |old(~a5~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse17 (= ~a2~0 |old(~a2~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (= ~a14~0 |old(~a14~0)|)) (.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= ~a23~0 |old(~a23~0)|)) (.cse22 (= ~a12~0 |old(~a12~0)|)) (.cse23 (= ~a15~0 |old(~a15~0)|)) (.cse24 (= ~a13~0 |old(~a13~0)|)) (.cse25 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a20~0 |old(~a20~0)|)) (.cse27 (= ~a22~0 |old(~a22~0)|)) (.cse28 (= ~a10~0 |old(~a10~0)|)) (.cse29 (= ~a27~0 |old(~a27~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (= ~a6~0 1) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29)) (.cse1 (not (= |old(~a6~0)| 1)))) (and (or (not (<= |old(~a26~0)| 0)) .cse0 .cse1) (or .cse0 (not (= |old(~a27~0)| 1)) .cse1) (or (= |old(~a12~0)| 1) .cse0 .cse1) (or .cse0 (and (not (<= (+ |old(~a6~0)| 1) |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) .cse1) (or (and .cse2 .cse3 .cse4 (= ~a6~0 |old(~a6~0)|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (not (= |old(~a6~0)| 0))) (or (not (<= |old(~a3~0)| 0)) .cse0 .cse1)))) [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,348 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 00:53:35,349 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,350 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 00:53:35,351 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,352 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,353 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1512) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:53:35,354 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 00:53:35,355 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,356 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,357 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,358 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,359 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,360 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,361 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:53:35,362 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,363 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 00:53:35,364 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a26~0 0) (<= 1 ~a27~0) (not (= ~a12~0 1)) (<= ~a27~0 1)) [2020-10-14 00:53:35,365 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 00:53:35,365 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 00:53:35,366 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (= |old(~a12~0)| 1) (not (<= |old(~a26~0)| 0)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (<= 1 |old(~a27~0)|)) (not (<= |old(~a27~0)| 1)) (not (= |old(~a6~0)| 0))) [2020-10-14 00:53:35,366 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:53:35,366 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a6~0 1))) (or (= ~a6~0 0) (= |old(~a12~0)| 1) (and .cse0 (<= ~a3~0 0)) (and (not (= ~a12~0 1)) .cse0) (not (<= |old(~a26~0)| 0)) (not (<= 1 |old(~a27~0)|)) (and (<= 1 ~a27~0) .cse0 (<= ~a27~0 1)) (and (<= ~a26~0 0) .cse0) (and (or (<= (+ ~a6~0 1) ~a11~0) (<= (+ ~a11~0 1) ~a6~0)) .cse0) (not (<= |old(~a27~0)| 1)) (not (= |old(~a6~0)| 0)))) [2020-10-14 00:53:35,366 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:53:35,366 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a6~0 1))) (or (= ~a6~0 0) (= |old(~a12~0)| 1) (and .cse0 (<= ~a3~0 0)) (and (not (= ~a12~0 1)) .cse0) (not (<= |old(~a26~0)| 0)) (not (<= 1 |old(~a27~0)|)) (and (<= 1 ~a27~0) .cse0 (<= ~a27~0 1)) (and (<= ~a26~0 0) .cse0) (and (or (<= (+ ~a6~0 1) ~a11~0) (<= (+ ~a11~0 1) ~a6~0)) .cse0) (not (<= |old(~a27~0)| 1)) (not (= |old(~a6~0)| 0)))) [2020-10-14 00:53:35,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:53:35 BoogieIcfgContainer [2020-10-14 00:53:35,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:53:35,393 INFO L168 Benchmark]: Toolchain (without parser) took 90136.80 ms. Allocated memory was 145.8 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 99.1 MB in the beginning and 903.3 MB in the end (delta: -804.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 00:53:35,394 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:53:35,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1449.56 ms. Allocated memory was 145.8 MB in the beginning and 240.1 MB in the end (delta: 94.4 MB). Free memory was 98.9 MB in the beginning and 188.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:53:35,395 INFO L168 Benchmark]: Boogie Preprocessor took 186.52 ms. Allocated memory is still 240.1 MB. Free memory was 188.5 MB in the beginning and 176.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:53:35,396 INFO L168 Benchmark]: RCFGBuilder took 1906.58 ms. Allocated memory was 240.1 MB in the beginning and 264.2 MB in the end (delta: 24.1 MB). Free memory was 176.3 MB in the beginning and 191.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:53:35,397 INFO L168 Benchmark]: TraceAbstraction took 86586.59 ms. Allocated memory was 264.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 191.3 MB in the beginning and 903.3 MB in the end (delta: -712.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 00:53:35,401 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 145.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1449.56 ms. Allocated memory was 145.8 MB in the beginning and 240.1 MB in the end (delta: 94.4 MB). Free memory was 98.9 MB in the beginning and 188.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 186.52 ms. Allocated memory is still 240.1 MB. Free memory was 188.5 MB in the beginning and 176.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1906.58 ms. Allocated memory was 240.1 MB in the beginning and 264.2 MB in the end (delta: 24.1 MB). Free memory was 176.3 MB in the beginning and 191.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86586.59 ms. Allocated memory was 264.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 191.3 MB in the beginning and 903.3 MB in the end (delta: -712.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1512]: 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: 1658]: Loop Invariant Derived loop invariant: (((((((((a6 == 0 || \old(a12) == 1) || (a6 == 1 && a3 <= 0)) || (!(a12 == 1) && a6 == 1)) || !(\old(a26) <= 0)) || !(1 <= \old(a27))) || ((1 <= a27 && a6 == 1) && a27 <= 1)) || (a26 <= 0 && a6 == 1)) || ((a6 + 1 <= a11 || a11 + 1 <= a6) && a6 == 1)) || !(\old(a27) <= 1)) || !(\old(a6) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.9s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 421 SDtfs, 4856 SDslu, 578 SDs, 0 SdLazy, 12379 SolverSat, 2082 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26944occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 1995 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 689 PreInvPairs, 1315 NumberOfFragments, 978 HoareAnnotationTreeSize, 689 FomulaSimplifications, 1341034 FormulaSimplificationTreeSizeReduction, 10.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19018 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 36.9s InterpolantComputationTime, 2094 NumberOfCodeBlocks, 2094 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2086 ConstructedInterpolants, 0 QuantifiedInterpolants, 3911456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 866/1109 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...