/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/Problem14_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:19:04,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:19:04,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:19:04,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:19:04,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:19:04,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:19:04,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:19:04,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:19:04,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:19:04,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:19:04,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:19:04,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:19:04,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:19:04,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:19:04,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:19:04,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:19:04,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:19:04,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:19:04,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:19:04,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:19:04,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:19:04,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:19:04,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:19:04,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:19:04,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:19:04,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:19:04,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:19:04,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:19:04,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:19:04,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:19:04,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:19:04,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:19:04,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:19:04,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:19:04,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:19:04,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:19:04,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:19:04,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:19:04,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:19:04,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:19:04,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:19:04,956 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 03:19:04,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:19:04,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:19:04,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:19:04,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:19:04,995 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:19:04,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:19:04,996 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:19:04,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:19:04,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:19:04,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:19:04,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:19:04,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:19:04,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:19:04,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:19:04,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:19:04,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:19:04,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:19:04,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:19:04,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:19:04,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:19:05,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:19:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:19:05,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:19:05,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:19:05,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:19:05,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:19:05,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:19:05,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:19:05,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:19:05,001 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 03:19:05,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:19:05,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:19:05,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:19:05,343 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:19:05,344 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:19:05,345 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-10-14 03:19:05,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bdb9e0ab3/e778a7d85081429ca1d9fd45c12317c4/FLAG46594dade [2020-10-14 03:19:06,017 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:19:06,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-10-14 03:19:06,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bdb9e0ab3/e778a7d85081429ca1d9fd45c12317c4/FLAG46594dade [2020-10-14 03:19:06,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bdb9e0ab3/e778a7d85081429ca1d9fd45c12317c4 [2020-10-14 03:19:06,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:19:06,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:19:06,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:19:06,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:19:06,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:19:06,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:19:06" (1/1) ... [2020-10-14 03:19:06,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:06, skipping insertion in model container [2020-10-14 03:19:06,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:19:06" (1/1) ... [2020-10-14 03:19:06,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:19:06,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:19:06,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:19:06,953 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:19:07,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:19:07,304 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:19:07,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07 WrapperNode [2020-10-14 03:19:07,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:19:07,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:19:07,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:19:07,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:19:07,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (1/1) ... [2020-10-14 03:19:07,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:19:07,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:19:07,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:19:07,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:19:07,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (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 03:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:19:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:19:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:19:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:19:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:19:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:19:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:19:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:19:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:19:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:19:08,985 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:19:08,985 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:19:08,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:19:08 BoogieIcfgContainer [2020-10-14 03:19:08,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:19:08,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:19:08,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:19:08,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:19:08,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:19:06" (1/3) ... [2020-10-14 03:19:08,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbe44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:19:08, skipping insertion in model container [2020-10-14 03:19:08,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:07" (2/3) ... [2020-10-14 03:19:08,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbe44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:19:08, skipping insertion in model container [2020-10-14 03:19:08,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:19:08" (3/3) ... [2020-10-14 03:19:09,000 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-10-14 03:19:09,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:19:09,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:19:09,036 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:19:09,062 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:19:09,063 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:19:09,063 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:19:09,063 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:19:09,063 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:19:09,063 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:19:09,063 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:19:09,064 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:19:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:19:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 03:19:09,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:09,105 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] [2020-10-14 03:19:09,105 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:09,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:09,113 INFO L82 PathProgramCache]: Analyzing trace with hash 406410443, now seen corresponding path program 1 times [2020-10-14 03:19:09,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:09,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921841013] [2020-10-14 03:19:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:09,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:09,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 03:19:09,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:09,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-14 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:19:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:19:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 03:19:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:19:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:09,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:09,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:09,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:19:09,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:09,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:19:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:09,865 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 03:19:09,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921841013] [2020-10-14 03:19:09,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:19:09,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:19:09,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695240172] [2020-10-14 03:19:09,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:19:09,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:09,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:19:09,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:19:09,900 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:19:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:11,540 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 03:19:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:11,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-14 03:19:11,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:11,573 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:19:11,574 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:19:11,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:11,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:19:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 03:19:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 03:19:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 03:19:11,667 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 54 [2020-10-14 03:19:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:11,668 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 03:19:11,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:19:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 03:19:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 03:19:11,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:11,674 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 03:19:11,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:19:11,675 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:11,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:11,676 INFO L82 PathProgramCache]: Analyzing trace with hash -68647627, now seen corresponding path program 1 times [2020-10-14 03:19:11,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:11,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480160409] [2020-10-14 03:19:11,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 03:19:12,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-14 03:19:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:19:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 03:19:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:12,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:12,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:12,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:19:12,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:19:12,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:19:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:19:12,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480160409] [2020-10-14 03:19:12,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:12,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:12,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148125319] [2020-10-14 03:19:12,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:12,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:12,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:12,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:12,953 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-14 03:19:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:14,568 INFO L93 Difference]: Finished difference Result 934 states and 1411 transitions. [2020-10-14 03:19:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:14,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-14 03:19:14,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:14,573 INFO L225 Difference]: With dead ends: 934 [2020-10-14 03:19:14,573 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:19:14,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:19:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:19:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:19:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 745 transitions. [2020-10-14 03:19:14,616 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 745 transitions. Word has length 123 [2020-10-14 03:19:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:14,617 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 745 transitions. [2020-10-14 03:19:14,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 745 transitions. [2020-10-14 03:19:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 03:19:14,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:14,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:14,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:19:14,624 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:14,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:14,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1172422863, now seen corresponding path program 1 times [2020-10-14 03:19:14,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:14,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222020699] [2020-10-14 03:19:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:14,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:14,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:14,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:15,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:17,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:19,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:19,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 03:19:19,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 03:19:19,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:19,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:19:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:19:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:19,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:19,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:19,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:19,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:19,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:19:19,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:19,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:19,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:19,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:19,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:19,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:19,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:19:19,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:19:19,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:19,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:19,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:19:19,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:19:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:19,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:20,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:20,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:19:20,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 03:19:20,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:20,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:19:20,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:19:20,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222020699] [2020-10-14 03:19:20,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:20,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:20,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565098368] [2020-10-14 03:19:20,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:20,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:20,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:20,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:20,214 INFO L87 Difference]: Start difference. First operand 560 states and 745 transitions. Second operand 7 states. [2020-10-14 03:19:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:21,990 INFO L93 Difference]: Finished difference Result 1316 states and 1706 transitions. [2020-10-14 03:19:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:19:21,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-10-14 03:19:21,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:21,997 INFO L225 Difference]: With dead ends: 1316 [2020-10-14 03:19:21,997 INFO L226 Difference]: Without dead ends: 576 [2020-10-14 03:19:21,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:19:22,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-10-14 03:19:22,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 562. [2020-10-14 03:19:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-14 03:19:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 624 transitions. [2020-10-14 03:19:22,045 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 624 transitions. Word has length 206 [2020-10-14 03:19:22,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:22,046 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 624 transitions. [2020-10-14 03:19:22,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 624 transitions. [2020-10-14 03:19:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-14 03:19:22,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:22,063 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:22,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:19:22,063 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:22,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:22,064 INFO L82 PathProgramCache]: Analyzing trace with hash -222397767, now seen corresponding path program 1 times [2020-10-14 03:19:22,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:22,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598699344] [2020-10-14 03:19:22,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:22,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:22,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:22,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:24,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:24,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 03:19:24,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1951 [2020-10-14 03:19:24,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:24,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:19:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 03:19:24,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:24,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:24,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:24,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:24,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:24,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:24,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:24,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:24,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:24,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:24,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:24,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:24,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:24,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 03:19:24,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:24,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:19:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:19:24,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598699344] [2020-10-14 03:19:24,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:24,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:24,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156825124] [2020-10-14 03:19:24,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:24,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:24,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:24,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:24,467 INFO L87 Difference]: Start difference. First operand 562 states and 624 transitions. Second operand 5 states. [2020-10-14 03:19:25,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:25,526 INFO L93 Difference]: Finished difference Result 1308 states and 1487 transitions. [2020-10-14 03:19:25,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:25,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2020-10-14 03:19:25,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:25,532 INFO L225 Difference]: With dead ends: 1308 [2020-10-14 03:19:25,532 INFO L226 Difference]: Without dead ends: 752 [2020-10-14 03:19:25,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-10-14 03:19:25,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 746. [2020-10-14 03:19:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:19:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 846 transitions. [2020-10-14 03:19:25,557 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 846 transitions. Word has length 233 [2020-10-14 03:19:25,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:25,558 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 846 transitions. [2020-10-14 03:19:25,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 846 transitions. [2020-10-14 03:19:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-14 03:19:25,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:25,563 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-14 03:19:25,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:19:25,564 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:25,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1726800564, now seen corresponding path program 1 times [2020-10-14 03:19:25,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:25,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145816521] [2020-10-14 03:19:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:25,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:26,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:30,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:30,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-14 03:19:30,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:30,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 03:19:30,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:30,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:19:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:19:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:30,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:30,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:30,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:30,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:30,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:30,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:19:30,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:30,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:30,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:30,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:30,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:30,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:30,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:30,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:30,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 03:19:30,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:30,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:19:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:30,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:31,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:31,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 03:19:31,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:31,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:19:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:19:31,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145816521] [2020-10-14 03:19:31,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:31,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:31,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260052276] [2020-10-14 03:19:31,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:31,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:31,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:31,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:31,348 INFO L87 Difference]: Start difference. First operand 746 states and 846 transitions. Second operand 7 states. [2020-10-14 03:19:33,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:33,014 INFO L93 Difference]: Finished difference Result 2082 states and 2462 transitions. [2020-10-14 03:19:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:19:33,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-10-14 03:19:33,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:33,027 INFO L225 Difference]: With dead ends: 2082 [2020-10-14 03:19:33,027 INFO L226 Difference]: Without dead ends: 1342 [2020-10-14 03:19:33,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:19:33,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2020-10-14 03:19:33,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1308. [2020-10-14 03:19:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-10-14 03:19:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1456 transitions. [2020-10-14 03:19:33,096 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1456 transitions. Word has length 307 [2020-10-14 03:19:33,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:33,097 INFO L479 AbstractCegarLoop]: Abstraction has 1308 states and 1456 transitions. [2020-10-14 03:19:33,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1456 transitions. [2020-10-14 03:19:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 03:19:33,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:33,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:19:33,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:19:33,106 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1878269732, now seen corresponding path program 1 times [2020-10-14 03:19:33,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:33,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871469083] [2020-10-14 03:19:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:33,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:33,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:34,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:36,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:36,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-14 03:19:36,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:36,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3305 [2020-10-14 03:19:36,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:36,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:36,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:19:36,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 03:19:36,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:36,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:36,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:36,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:19:36,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:36,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:36,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:36,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:36,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:36,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:36,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:36,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 03:19:36,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:36,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:36,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:36,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:36,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:36,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:36,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:36,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:19:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:19:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:36,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:19:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:19:36,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871469083] [2020-10-14 03:19:36,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:36,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:36,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403019655] [2020-10-14 03:19:36,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:36,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:36,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:36,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:36,899 INFO L87 Difference]: Start difference. First operand 1308 states and 1456 transitions. Second operand 5 states. [2020-10-14 03:19:38,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:38,018 INFO L93 Difference]: Finished difference Result 2984 states and 3368 transitions. [2020-10-14 03:19:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:38,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-14 03:19:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:38,025 INFO L225 Difference]: With dead ends: 2984 [2020-10-14 03:19:38,025 INFO L226 Difference]: Without dead ends: 1312 [2020-10-14 03:19:38,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:38,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-14 03:19:38,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1306. [2020-10-14 03:19:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1306 states. [2020-10-14 03:19:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1424 transitions. [2020-10-14 03:19:38,066 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1424 transitions. Word has length 319 [2020-10-14 03:19:38,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:38,066 INFO L479 AbstractCegarLoop]: Abstraction has 1306 states and 1424 transitions. [2020-10-14 03:19:38,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1424 transitions. [2020-10-14 03:19:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-14 03:19:38,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:38,073 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:19:38,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:19:38,073 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:38,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:38,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1557943280, now seen corresponding path program 1 times [2020-10-14 03:19:38,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:38,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344174531] [2020-10-14 03:19:38,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:38,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:43,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-10-14 03:19:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 03:19:43,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:43,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:19:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 03:19:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:43,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:43,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:43,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:43,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:43,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:43,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:43,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:43,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:43,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:43,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:43,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:43,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:43,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:43,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:43,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:19:43,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:43,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:43,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:43,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:43,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:19:43,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:43,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:19:43,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:43,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:19:43,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 03:19:43,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344174531] [2020-10-14 03:19:43,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:43,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:43,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50648861] [2020-10-14 03:19:43,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:43,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:43,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:43,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:43,450 INFO L87 Difference]: Start difference. First operand 1306 states and 1424 transitions. Second operand 5 states. [2020-10-14 03:19:44,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:44,433 INFO L93 Difference]: Finished difference Result 3168 states and 3527 transitions. [2020-10-14 03:19:44,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:44,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 325 [2020-10-14 03:19:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:44,448 INFO L225 Difference]: With dead ends: 3168 [2020-10-14 03:19:44,448 INFO L226 Difference]: Without dead ends: 1868 [2020-10-14 03:19:44,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:44,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-10-14 03:19:44,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1864. [2020-10-14 03:19:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2020-10-14 03:19:44,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2043 transitions. [2020-10-14 03:19:44,508 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2043 transitions. Word has length 325 [2020-10-14 03:19:44,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:44,509 INFO L479 AbstractCegarLoop]: Abstraction has 1864 states and 2043 transitions. [2020-10-14 03:19:44,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2043 transitions. [2020-10-14 03:19:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-14 03:19:44,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:44,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:19:44,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:19:44,513 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:44,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:44,514 INFO L82 PathProgramCache]: Analyzing trace with hash 690809420, now seen corresponding path program 1 times [2020-10-14 03:19:44,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:44,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059408467] [2020-10-14 03:19:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:44,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:45,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3379 [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-14 03:19:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 03:19:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:47,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:47,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:48,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:48,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:48,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:48,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:48,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:48,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:19:48,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:48,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:48,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:48,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:48,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:48,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:19:48,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:19:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:48,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 03:19:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-14 03:19:48,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059408467] [2020-10-14 03:19:48,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:48,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:48,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233340837] [2020-10-14 03:19:48,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:48,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:48,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:48,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:48,198 INFO L87 Difference]: Start difference. First operand 1864 states and 2043 transitions. Second operand 5 states. [2020-10-14 03:19:49,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:49,271 INFO L93 Difference]: Finished difference Result 4832 states and 5389 transitions. [2020-10-14 03:19:49,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:49,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 327 [2020-10-14 03:19:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:49,296 INFO L225 Difference]: With dead ends: 4832 [2020-10-14 03:19:49,296 INFO L226 Difference]: Without dead ends: 2974 [2020-10-14 03:19:49,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:49,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2020-10-14 03:19:49,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2970. [2020-10-14 03:19:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2020-10-14 03:19:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3285 transitions. [2020-10-14 03:19:49,401 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3285 transitions. Word has length 327 [2020-10-14 03:19:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:49,402 INFO L479 AbstractCegarLoop]: Abstraction has 2970 states and 3285 transitions. [2020-10-14 03:19:49,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3285 transitions. [2020-10-14 03:19:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2020-10-14 03:19:49,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:49,414 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:19:49,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:19:49,415 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:49,415 INFO L82 PathProgramCache]: Analyzing trace with hash -321981803, now seen corresponding path program 1 times [2020-10-14 03:19:49,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:49,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765207985] [2020-10-14 03:19:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:49,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:50,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:54,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:54,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 582 [2020-10-14 03:19:54,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:54,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 03:19:54,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:54,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:19:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-14 03:19:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-10-14 03:19:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:54,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:54,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:54,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:54,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:19:54,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:19:54,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:54,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:19:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:54,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 03:19:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:54,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:54,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:54,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:54,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 03:19:54,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:54,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:19:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:19:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:54,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-14 03:19:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:54,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:54,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 03:19:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-10-14 03:19:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:54,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:54,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 03:19:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:19:54,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:54,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 03:19:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 346 proven. 255 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-10-14 03:19:55,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765207985] [2020-10-14 03:19:55,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:55,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 03:19:55,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709178416] [2020-10-14 03:19:55,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 03:19:55,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:55,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 03:19:55,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:19:55,235 INFO L87 Difference]: Start difference. First operand 2970 states and 3285 transitions. Second operand 9 states. [2020-10-14 03:19:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:57,475 INFO L93 Difference]: Finished difference Result 6870 states and 7636 transitions. [2020-10-14 03:19:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 03:19:57,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 566 [2020-10-14 03:19:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:57,492 INFO L225 Difference]: With dead ends: 6870 [2020-10-14 03:19:57,493 INFO L226 Difference]: Without dead ends: 3906 [2020-10-14 03:19:57,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 03:19:57,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2020-10-14 03:19:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 3894. [2020-10-14 03:19:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3894 states. [2020-10-14 03:19:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 4293 transitions. [2020-10-14 03:19:57,585 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 4293 transitions. Word has length 566 [2020-10-14 03:19:57,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:57,586 INFO L479 AbstractCegarLoop]: Abstraction has 3894 states and 4293 transitions. [2020-10-14 03:19:57,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 03:19:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 4293 transitions. [2020-10-14 03:19:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2020-10-14 03:19:57,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:57,598 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:57,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:19:57,598 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:57,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1497716824, now seen corresponding path program 1 times [2020-10-14 03:19:57,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:57,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619180735] [2020-10-14 03:19:57,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:57,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:57,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:58,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 639 [2020-10-14 03:20:02,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 03:20:02,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:20:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:20:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:02,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:20:02,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:20:02,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:20:02,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:20:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:03,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:03,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:03,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-14 03:20:03,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:03,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:03,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:03,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:03,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:03,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 03:20:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:03,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:03,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:03,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:20:03,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:03,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:20:03,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:03,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:20:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:03,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:03,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-10-14 03:20:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:03,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:03,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:03,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 03:20:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 03:20:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:03,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 03:20:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 326 proven. 253 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2020-10-14 03:20:03,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619180735] [2020-10-14 03:20:03,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:03,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:03,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353767955] [2020-10-14 03:20:03,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:03,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:03,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:03,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:03,646 INFO L87 Difference]: Start difference. First operand 3894 states and 4293 transitions. Second operand 7 states. [2020-10-14 03:20:05,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:05,102 INFO L93 Difference]: Finished difference Result 8624 states and 9861 transitions. [2020-10-14 03:20:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:05,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 623 [2020-10-14 03:20:05,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:05,128 INFO L225 Difference]: With dead ends: 8624 [2020-10-14 03:20:05,128 INFO L226 Difference]: Without dead ends: 4736 [2020-10-14 03:20:05,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:20:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2020-10-14 03:20:05,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4078. [2020-10-14 03:20:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4078 states. [2020-10-14 03:20:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 4466 transitions. [2020-10-14 03:20:05,261 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 4466 transitions. Word has length 623 [2020-10-14 03:20:05,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:05,262 INFO L479 AbstractCegarLoop]: Abstraction has 4078 states and 4466 transitions. [2020-10-14 03:20:05,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 4466 transitions. [2020-10-14 03:20:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2020-10-14 03:20:05,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:05,277 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:05,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:20:05,277 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:05,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:05,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1277770712, now seen corresponding path program 1 times [2020-10-14 03:20:05,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:05,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243265023] [2020-10-14 03:20:05,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:05,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 679 [2020-10-14 03:20:10,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 03:20:10,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:20:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:20:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 03:20:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:10,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:20:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:20:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 03:20:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:20:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-14 03:20:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:20:10,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:20:10,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:20:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-10-14 03:20:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 03:20:10,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:20:10,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 03:20:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:11,145 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 188 proven. 410 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-10-14 03:20:11,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243265023] [2020-10-14 03:20:11,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:11,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:11,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942360445] [2020-10-14 03:20:11,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:11,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:11,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:11,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:11,147 INFO L87 Difference]: Start difference. First operand 4078 states and 4466 transitions. Second operand 7 states. [2020-10-14 03:20:12,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:12,374 INFO L93 Difference]: Finished difference Result 8518 states and 9326 transitions. [2020-10-14 03:20:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:12,374 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 663 [2020-10-14 03:20:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:12,391 INFO L225 Difference]: With dead ends: 8518 [2020-10-14 03:20:12,391 INFO L226 Difference]: Without dead ends: 4446 [2020-10-14 03:20:12,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:12,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states. [2020-10-14 03:20:12,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 4446. [2020-10-14 03:20:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4446 states. [2020-10-14 03:20:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4446 states to 4446 states and 4848 transitions. [2020-10-14 03:20:12,487 INFO L78 Accepts]: Start accepts. Automaton has 4446 states and 4848 transitions. Word has length 663 [2020-10-14 03:20:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:12,487 INFO L479 AbstractCegarLoop]: Abstraction has 4446 states and 4848 transitions. [2020-10-14 03:20:12,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4446 states and 4848 transitions. [2020-10-14 03:20:12,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-10-14 03:20:12,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:12,503 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:12,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:20:12,504 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:12,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1635486334, now seen corresponding path program 1 times [2020-10-14 03:20:12,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:12,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356046631] [2020-10-14 03:20:12,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:13,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:14,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 790 [2020-10-14 03:20:17,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:20:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:20:17,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 294 [2020-10-14 03:20:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:20:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:20:17,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:20:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:20:17,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 03:20:17,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 03:20:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-14 03:20:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:18,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-10-14 03:20:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:18,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:18,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:18,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:20:18,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:20:18,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:18,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:20:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-10-14 03:20:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:18,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:18,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:18,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 03:20:18,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 03:20:18,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:18,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 03:20:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:18,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 532 proven. 253 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2020-10-14 03:20:18,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356046631] [2020-10-14 03:20:18,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:18,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:20:18,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188849623] [2020-10-14 03:20:18,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:20:18,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:18,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:20:18,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:20:18,662 INFO L87 Difference]: Start difference. First operand 4446 states and 4848 transitions. Second operand 8 states. [2020-10-14 03:20:20,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:20,596 INFO L93 Difference]: Finished difference Result 8338 states and 9150 transitions. [2020-10-14 03:20:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:20:20,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 772 [2020-10-14 03:20:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:20,598 INFO L225 Difference]: With dead ends: 8338 [2020-10-14 03:20:20,599 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:20:20,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:20:20,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:20:20,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:20:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:20:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:20:20,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 772 [2020-10-14 03:20:20,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:20,613 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:20:20,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:20:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:20:20,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:20:20,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:20:20,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:20:21,152 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 78 [2020-10-14 03:20:21,384 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 78 [2020-10-14 03:20:22,217 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 65 [2020-10-14 03:20:22,463 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 45 [2020-10-14 03:20:22,669 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 45 [2020-10-14 03:20:22,674 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:20:22,674 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:20:22,675 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,676 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:20:22,677 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:20:22,678 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:20:22,679 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:20:22,680 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,681 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:20:22,682 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:20:22,683 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:20:22,683 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse12 (= ~a15~0 8)) (.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse5 (not (<= |old(~a21~0)| 6))) (.cse6 (not (= 10 |old(~a21~0)|))) (.cse3 (and .cse0 .cse13 .cse1 .cse2)) (.cse10 (not (= 8 |old(~a21~0)|))) (.cse4 (not (<= |old(~a12~0)| 73282))) (.cse9 (= ~a21~0 8)) (.cse7 (not (= 8 |old(~a15~0)|))) (.cse11 (not (<= |old(~a12~0)| 80))) (.cse8 (and .cse0 .cse13 .cse12 .cse1))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) (not (= 9 |old(~a21~0)|))) (or .cse3 .cse4 .cse5) (or .cse3 (not (= 7 |old(~a15~0)|))) (or .cse6 .cse7 .cse8) (or .cse3 .cse7 .cse5) (or (not (<= |old(~a24~0)| 1)) .cse3 (not (<= |old(~a15~0)| 5))) (or (not (<= 9 |old(~a15~0)|)) .cse3) (or (and .cse0 .cse9 .cse1 .cse2) .cse10 .cse11) (or .cse6 .cse3 .cse11) (or .cse10 .cse4 .cse7 (and .cse0 .cse12 .cse9 .cse1)) (or .cse7 .cse11 .cse8)))) [2020-10-14 03:20:22,683 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:20:22,683 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:20:22,683 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,683 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:20:22,684 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,685 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:20:22,686 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:20:22,687 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:20:22,688 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,689 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,690 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:20:22,691 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:20:22,692 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:20:22,693 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:20:22,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:20:22,695 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (not (= ~a21~0 9)) (not (= ~a21~0 8))) [2020-10-14 03:20:22,695 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:20:22,695 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:20:22,695 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (= 8 |old(~a21~0)|) (not (= 8 |old(~a15~0)|)) (= 9 |old(~a21~0)|) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-14 03:20:22,695 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:20:22,696 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= ~a21~0 10)) (.cse1 (<= ~a21~0 6)) (.cse3 (<= ~a12~0 80)) (.cse5 (= ~a15~0 8)) (.cse4 (= ~a21~0 8)) (.cse0 (<= ~a12~0 73282))) (or (and .cse0 .cse1) (and .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (<= 9 ~a15~0) (and .cse4 .cse3) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse2 .cse5) (and .cse5 .cse1) (= 7 ~a15~0) (and (<= ~a15~0 5) (<= ~a24~0 1)) (= 8 |old(~a21~0)|) (and .cse5 .cse3) (= 9 |old(~a21~0)|) (= ~a21~0 9) (and .cse5 .cse4 .cse0))) [2020-10-14 03:20:22,696 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:20:22,696 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:20:22,696 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse2 (= ~a21~0 10)) (.cse1 (<= ~a21~0 6)) (.cse3 (<= ~a12~0 80)) (.cse5 (= ~a15~0 8)) (.cse4 (= ~a21~0 8)) (.cse0 (<= ~a12~0 73282))) (or (and .cse0 .cse1) (and .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (<= 9 ~a15~0) (and .cse4 .cse3) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse2 .cse5) (and .cse5 .cse1) (= 7 ~a15~0) (and (<= ~a15~0 5) (<= ~a24~0 1)) (= 8 |old(~a21~0)|) (and .cse5 .cse3) (= 9 |old(~a21~0)|) (= ~a21~0 9) (and .cse5 .cse4 .cse0))) [2020-10-14 03:20:22,696 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:20:22,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:20:22 BoogieIcfgContainer [2020-10-14 03:20:22,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:20:22,720 INFO L168 Benchmark]: Toolchain (without parser) took 76441.34 ms. Allocated memory was 147.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 101.2 MB in the beginning and 827.2 MB in the end (delta: -726.0 MB). Peak memory consumption was 535.4 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:22,721 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 03:20:22,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.26 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.8 MB in the beginning and 160.5 MB in the end (delta: -59.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:22,723 INFO L168 Benchmark]: Boogie Preprocessor took 202.51 ms. Allocated memory is still 205.5 MB. Free memory was 160.5 MB in the beginning and 154.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:22,723 INFO L168 Benchmark]: RCFGBuilder took 1482.68 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 154.5 MB in the beginning and 143.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:22,724 INFO L168 Benchmark]: TraceAbstraction took 73724.83 ms. Allocated memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 143.1 MB in the beginning and 827.2 MB in the end (delta: -684.1 MB). Peak memory consumption was 488.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:22,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1022.26 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.8 MB in the beginning and 160.5 MB in the end (delta: -59.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.51 ms. Allocated memory is still 205.5 MB. Free memory was 160.5 MB in the beginning and 154.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1482.68 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 154.5 MB in the beginning and 143.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73724.83 ms. Allocated memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 143.1 MB in the beginning and 827.2 MB in the end (delta: -684.1 MB). Peak memory consumption was 488.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((a12 <= 73282 && a21 <= 6) || (a21 == 10 && a12 <= 80)) || !(8 == \old(a15))) || 9 <= a15) || (a21 == 8 && a12 <= 80)) || !(\old(a12) + 49 <= 0)) || (a21 == 10 && a15 == 8)) || (a15 == 8 && a21 <= 6)) || 7 == a15) || (a15 <= 5 && a24 <= 1)) || 8 == \old(a21)) || (a15 == 8 && a12 <= 80)) || 9 == \old(a21)) || a21 == 9) || ((a15 == 8 && a21 == 8) && a12 <= 73282) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.5s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 342 SDtfs, 6027 SDslu, 434 SDs, 0 SdLazy, 12073 SolverSat, 1024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4446occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 746 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 150 PreInvPairs, 202 NumberOfFragments, 484 HoareAnnotationTreeSize, 150 FomulaSimplifications, 1326365 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2226 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 50.4s InterpolantComputationTime, 4518 NumberOfCodeBlocks, 4518 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4506 ConstructedInterpolants, 0 QuantifiedInterpolants, 4003170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 3768/4951 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...