/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/Problem02_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:46:17,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:46:17,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:46:17,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:46:17,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:46:17,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:46:17,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:46:17,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:46:17,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:46:17,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:46:17,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:46:17,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:46:17,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:46:17,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:46:17,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:46:17,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:46:17,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:46:17,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:46:17,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:46:17,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:46:17,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:46:17,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:46:17,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:46:17,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:46:17,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:46:17,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:46:17,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:46:17,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:46:17,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:46:17,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:46:17,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:46:17,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:46:17,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:46:17,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:46:17,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:46:17,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:46:17,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:46:17,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:46:17,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:46:17,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:46:17,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:46:17,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:46:17,963 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:46:17,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:46:17,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:46:17,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:46:17,965 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:46:17,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:46:17,966 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:46:17,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:46:17,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:46:17,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:46:17,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:46:17,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:46:17,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:46:17,968 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:46:17,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:46:17,969 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:46:17,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:46:17,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:46:17,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:46:17,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:46:17,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:46:17,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:46:17,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:46:17,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:46:17,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:46:17,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:46:17,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:46:17,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:46:17,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:46:17,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:46:18,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:46:18,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:46:18,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:46:18,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:46:18,297 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:46:18,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-10-14 00:46:18,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7462adfa/72593be074994e05a401a0ef696ca9e5/FLAG53a29f49c [2020-10-14 00:46:18,938 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:46:18,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-10-14 00:46:18,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7462adfa/72593be074994e05a401a0ef696ca9e5/FLAG53a29f49c [2020-10-14 00:46:19,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7462adfa/72593be074994e05a401a0ef696ca9e5 [2020-10-14 00:46:19,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:46:19,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:46:19,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:46:19,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:46:19,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:46:19,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:19,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b9b7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19, skipping insertion in model container [2020-10-14 00:46:19,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:19,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:46:19,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:46:19,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:46:19,764 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:46:19,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:46:19,979 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:46:19,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19 WrapperNode [2020-10-14 00:46:19,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:46:19,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:46:19,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:46:19,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:46:19,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... [2020-10-14 00:46:20,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:46:20,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:46:20,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:46:20,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:46:20,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:46:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:46:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:46:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:46:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:46:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:46:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:46:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:46:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:46:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:46:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:46:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:46:21,637 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:46:21,638 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:46:21,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:46:21 BoogieIcfgContainer [2020-10-14 00:46:21,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:46:21,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:46:21,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:46:21,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:46:21,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:46:19" (1/3) ... [2020-10-14 00:46:21,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1713d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:46:21, skipping insertion in model container [2020-10-14 00:46:21,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:46:19" (2/3) ... [2020-10-14 00:46:21,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1713d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:46:21, skipping insertion in model container [2020-10-14 00:46:21,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:46:21" (3/3) ... [2020-10-14 00:46:21,657 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-10-14 00:46:21,672 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:46:21,682 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:46:21,700 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:46:21,733 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:46:21,734 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:46:21,734 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:46:21,734 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:46:21,734 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:46:21,734 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:46:21,735 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:46:21,735 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:46:21,797 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 00:46:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-14 00:46:21,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:21,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:21,817 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:21,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:21,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times [2020-10-14 00:46:21,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:21,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437156875] [2020-10-14 00:46:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:22,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:22,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:23,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:23,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 00:46:23,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:46:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1634 [2020-10-14 00:46:23,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:23,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:46:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:46:23,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 00:46:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 00:46:24,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:24,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:24,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:24,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:24,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:46:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:24,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:46:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:46:24,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437156875] [2020-10-14 00:46:24,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:46:24,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:46:24,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330453033] [2020-10-14 00:46:24,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:46:24,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:24,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:46:24,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:46:24,163 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-10-14 00:46:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:26,015 INFO L93 Difference]: Finished difference Result 631 states and 1079 transitions. [2020-10-14 00:46:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:26,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-10-14 00:46:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:26,036 INFO L225 Difference]: With dead ends: 631 [2020-10-14 00:46:26,037 INFO L226 Difference]: Without dead ends: 331 [2020-10-14 00:46:26,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:26,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-10-14 00:46:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 325. [2020-10-14 00:46:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-14 00:46:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 427 transitions. [2020-10-14 00:46:26,129 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 427 transitions. Word has length 144 [2020-10-14 00:46:26,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:26,131 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 427 transitions. [2020-10-14 00:46:26,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:46:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 427 transitions. [2020-10-14 00:46:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 00:46:26,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:26,137 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:26,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:46:26,138 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:26,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:26,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1282323431, now seen corresponding path program 1 times [2020-10-14 00:46:26,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:26,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66385907] [2020-10-14 00:46:26,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:26,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:27,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:27,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 00:46:27,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:46:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1779 [2020-10-14 00:46:27,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:27,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:46:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 00:46:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:28,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:28,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:28,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:28,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 00:46:28,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:28,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:28,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:28,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:28,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:28,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:28,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:46:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:46:28,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:28,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:46:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:46:28,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66385907] [2020-10-14 00:46:28,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:28,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:46:28,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760070212] [2020-10-14 00:46:28,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:46:28,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:28,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:46:28,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:28,203 INFO L87 Difference]: Start difference. First operand 325 states and 427 transitions. Second operand 5 states. [2020-10-14 00:46:29,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:29,544 INFO L93 Difference]: Finished difference Result 950 states and 1274 transitions. [2020-10-14 00:46:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:29,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-14 00:46:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:29,556 INFO L225 Difference]: With dead ends: 950 [2020-10-14 00:46:29,556 INFO L226 Difference]: Without dead ends: 631 [2020-10-14 00:46:29,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:46:29,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-10-14 00:46:29,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 621. [2020-10-14 00:46:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-14 00:46:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 808 transitions. [2020-10-14 00:46:29,617 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 808 transitions. Word has length 153 [2020-10-14 00:46:29,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:29,618 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 808 transitions. [2020-10-14 00:46:29,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:46:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 808 transitions. [2020-10-14 00:46:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 00:46:29,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:29,629 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 00:46:29,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:46:29,632 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:29,632 INFO L82 PathProgramCache]: Analyzing trace with hash -777086369, now seen corresponding path program 1 times [2020-10-14 00:46:29,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:29,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562863032] [2020-10-14 00:46:29,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:29,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:31,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:31,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 00:46:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:46:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1632 [2020-10-14 00:46:31,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:31,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 00:46:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 00:46:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:31,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:31,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:31,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:31,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:31,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:31,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:46:31,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:31,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:31,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:31,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:31,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:31,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 00:46:31,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:31,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 00:46:31,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:31,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:31,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:31,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:31,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 00:46:31,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:46:31,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562863032] [2020-10-14 00:46:31,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:31,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:46:31,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61428045] [2020-10-14 00:46:31,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:46:31,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:31,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:46:31,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:31,567 INFO L87 Difference]: Start difference. First operand 621 states and 808 transitions. Second operand 5 states. [2020-10-14 00:46:33,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:33,005 INFO L93 Difference]: Finished difference Result 1535 states and 2085 transitions. [2020-10-14 00:46:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:33,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-14 00:46:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:33,026 INFO L225 Difference]: With dead ends: 1535 [2020-10-14 00:46:33,027 INFO L226 Difference]: Without dead ends: 920 [2020-10-14 00:46:33,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:46:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-10-14 00:46:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 913. [2020-10-14 00:46:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-10-14 00:46:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1145 transitions. [2020-10-14 00:46:33,100 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1145 transitions. Word has length 157 [2020-10-14 00:46:33,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:33,102 INFO L479 AbstractCegarLoop]: Abstraction has 913 states and 1145 transitions. [2020-10-14 00:46:33,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:46:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1145 transitions. [2020-10-14 00:46:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 00:46:33,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:33,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 00:46:33,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:46:33,112 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:33,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:33,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1820781058, now seen corresponding path program 1 times [2020-10-14 00:46:33,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:33,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864876331] [2020-10-14 00:46:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:33,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:33,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:33,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:34,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:34,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 00:46:34,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:46:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1510 [2020-10-14 00:46:34,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:34,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 00:46:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 00:46:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:34,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:34,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:34,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:46:34,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:34,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:34,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:34,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:34,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:46:34,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:46:34,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:34,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:34,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:34,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:34,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:34,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:46:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:34,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:34,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:34,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 00:46:34,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:46:34,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:34,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 00:46:34,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 00:46:34,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864876331] [2020-10-14 00:46:34,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:34,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:46:34,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385078648] [2020-10-14 00:46:34,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:46:34,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:34,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:46:34,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:34,908 INFO L87 Difference]: Start difference. First operand 913 states and 1145 transitions. Second operand 5 states. [2020-10-14 00:46:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:36,584 INFO L93 Difference]: Finished difference Result 2567 states and 3310 transitions. [2020-10-14 00:46:36,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:36,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-10-14 00:46:36,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:36,596 INFO L225 Difference]: With dead ends: 2567 [2020-10-14 00:46:36,597 INFO L226 Difference]: Without dead ends: 1660 [2020-10-14 00:46:36,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:46:36,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2020-10-14 00:46:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1646. [2020-10-14 00:46:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2020-10-14 00:46:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2042 transitions. [2020-10-14 00:46:36,668 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2042 transitions. Word has length 161 [2020-10-14 00:46:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:36,669 INFO L479 AbstractCegarLoop]: Abstraction has 1646 states and 2042 transitions. [2020-10-14 00:46:36,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:46:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2042 transitions. [2020-10-14 00:46:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 00:46:36,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:36,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 00:46:36,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:46:36,680 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:36,680 INFO L82 PathProgramCache]: Analyzing trace with hash -255514577, now seen corresponding path program 1 times [2020-10-14 00:46:36,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:36,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512605345] [2020-10-14 00:46:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:36,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:36,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:38,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:38,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:38,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:39,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:39,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-14 00:46:39,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:46:39,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2602 [2020-10-14 00:46:39,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:39,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:39,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:39,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 00:46:39,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 00:46:39,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:39,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:39,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:39,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:46:39,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:39,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:39,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:39,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:39,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:46:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:46:39,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:39,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:46:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:39,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:39,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:39,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 00:46:39,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 00:46:39,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:39,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 00:46:39,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 00:46:39,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512605345] [2020-10-14 00:46:39,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:39,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:46:39,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194111028] [2020-10-14 00:46:39,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:46:39,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:39,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:46:39,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:39,570 INFO L87 Difference]: Start difference. First operand 1646 states and 2042 transitions. Second operand 5 states. [2020-10-14 00:46:41,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:41,130 INFO L93 Difference]: Finished difference Result 4164 states and 5267 transitions. [2020-10-14 00:46:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:41,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-10-14 00:46:41,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:41,139 INFO L225 Difference]: With dead ends: 4164 [2020-10-14 00:46:41,140 INFO L226 Difference]: Without dead ends: 1641 [2020-10-14 00:46:41,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:46:41,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2020-10-14 00:46:41,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1637. [2020-10-14 00:46:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-10-14 00:46:41,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 1960 transitions. [2020-10-14 00:46:41,215 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 1960 transitions. Word has length 183 [2020-10-14 00:46:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:41,217 INFO L479 AbstractCegarLoop]: Abstraction has 1637 states and 1960 transitions. [2020-10-14 00:46:41,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:46:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1960 transitions. [2020-10-14 00:46:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-14 00:46:41,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:41,229 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 00:46:41,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:46:41,229 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:41,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:41,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1623301025, now seen corresponding path program 1 times [2020-10-14 00:46:41,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:41,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152215501] [2020-10-14 00:46:41,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:41,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:42,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 00:46:42,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:46:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-10-14 00:46:42,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:42,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:46:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:46:42,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:42,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:42,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:42,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:42,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:46:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:42,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:42,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:42,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:42,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:46:42,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:46:42,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:42,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:42,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:42,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:42,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:46:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:46:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:42,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:42,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:42,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 00:46:42,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:42,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 00:46:42,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:42,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:46:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 00:46:42,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:46:42,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152215501] [2020-10-14 00:46:42,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:42,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:46:42,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830742516] [2020-10-14 00:46:42,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:46:42,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:42,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:46:42,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:46:42,379 INFO L87 Difference]: Start difference. First operand 1637 states and 1960 transitions. Second operand 7 states. [2020-10-14 00:46:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:43,236 INFO L93 Difference]: Finished difference Result 2974 states and 3635 transitions. [2020-10-14 00:46:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:46:43,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2020-10-14 00:46:43,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:43,247 INFO L225 Difference]: With dead ends: 2974 [2020-10-14 00:46:43,248 INFO L226 Difference]: Without dead ends: 1343 [2020-10-14 00:46:43,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:46:43,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-10-14 00:46:43,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1195. [2020-10-14 00:46:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-10-14 00:46:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1426 transitions. [2020-10-14 00:46:43,289 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1426 transitions. Word has length 186 [2020-10-14 00:46:43,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:43,290 INFO L479 AbstractCegarLoop]: Abstraction has 1195 states and 1426 transitions. [2020-10-14 00:46:43,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:46:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1426 transitions. [2020-10-14 00:46:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-14 00:46:43,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:43,295 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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 00:46:43,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:46:43,296 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:43,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:43,296 INFO L82 PathProgramCache]: Analyzing trace with hash 187405246, now seen corresponding path program 1 times [2020-10-14 00:46:43,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:43,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911791990] [2020-10-14 00:46:43,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:43,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:43,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:47,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:47,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 00:46:47,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:46:47,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4678 [2020-10-14 00:46:47,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:47,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 00:46:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 00:46:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:46:48,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:48,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:48,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:48,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:48,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:48,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:46:48,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:48,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:48,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:48,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:48,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:48,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:46:48,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:46:48,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:48,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:48,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:48,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 00:46:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:48,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:48,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:48,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 00:46:48,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:46:48,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:48,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 00:46:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:48,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:48,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:48,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 00:46:48,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 00:46:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:48,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:46:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:46:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 00:46:48,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911791990] [2020-10-14 00:46:48,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:48,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:46:48,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735233280] [2020-10-14 00:46:48,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:46:48,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:48,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:46:48,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:46:48,229 INFO L87 Difference]: Start difference. First operand 1195 states and 1426 transitions. Second operand 5 states. [2020-10-14 00:46:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:49,431 INFO L93 Difference]: Finished difference Result 2828 states and 3485 transitions. [2020-10-14 00:46:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:46:49,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2020-10-14 00:46:49,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:49,441 INFO L225 Difference]: With dead ends: 2828 [2020-10-14 00:46:49,441 INFO L226 Difference]: Without dead ends: 1639 [2020-10-14 00:46:49,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:46:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2020-10-14 00:46:49,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1633. [2020-10-14 00:46:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1633 states. [2020-10-14 00:46:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 1922 transitions. [2020-10-14 00:46:49,487 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 1922 transitions. Word has length 197 [2020-10-14 00:46:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:49,487 INFO L479 AbstractCegarLoop]: Abstraction has 1633 states and 1922 transitions. [2020-10-14 00:46:49,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:46:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 1922 transitions. [2020-10-14 00:46:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-14 00:46:49,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:49,494 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:49,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:46:49,495 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:49,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:49,495 INFO L82 PathProgramCache]: Analyzing trace with hash 521292091, now seen corresponding path program 1 times [2020-10-14 00:46:49,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:49,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306356119] [2020-10-14 00:46:49,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:49,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:49,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:49,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:51,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:54,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:54,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 00:46:54,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:46:54,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 00:46:54,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:54,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 00:46:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 00:46:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:54,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:46:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:54,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:54,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:54,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:46:54,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:54,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:46:54,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:54,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:46:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:46:54,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:46:54,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:46:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:54,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:54,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:54,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:46:54,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:46:54,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:54,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:46:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:46:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:46:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:46:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 00:46:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:54,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:54,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:46:54,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 00:46:54,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:46:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 00:46:54,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:46:54,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:46:54,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:46:54,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:46:54,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 00:46:54,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:46:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:46:54,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306356119] [2020-10-14 00:46:54,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:46:54,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:46:54,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215511675] [2020-10-14 00:46:54,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:46:54,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:46:54,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:46:54,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:46:54,858 INFO L87 Difference]: Start difference. First operand 1633 states and 1922 transitions. Second operand 7 states. [2020-10-14 00:46:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:46:56,973 INFO L93 Difference]: Finished difference Result 4771 states and 5892 transitions. [2020-10-14 00:46:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:46:56,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-14 00:46:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:46:56,991 INFO L225 Difference]: With dead ends: 4771 [2020-10-14 00:46:56,991 INFO L226 Difference]: Without dead ends: 2712 [2020-10-14 00:46:56,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:46:57,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2020-10-14 00:46:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2556. [2020-10-14 00:46:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2020-10-14 00:46:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3097 transitions. [2020-10-14 00:46:57,070 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3097 transitions. Word has length 211 [2020-10-14 00:46:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:46:57,070 INFO L479 AbstractCegarLoop]: Abstraction has 2556 states and 3097 transitions. [2020-10-14 00:46:57,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:46:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3097 transitions. [2020-10-14 00:46:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 00:46:57,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:46:57,084 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:46:57,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:46:57,084 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:46:57,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:46:57,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1861594642, now seen corresponding path program 1 times [2020-10-14 00:46:57,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:46:57,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516323013] [2020-10-14 00:46:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:46:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:46:57,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:57,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:57,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:46:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:02,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 00:47:02,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:47:02,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 00:47:02,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:02,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 00:47:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 00:47:02,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:02,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:02,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:02,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:02,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:02,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:47:02,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:02,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:47:02,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:02,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:02,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:02,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 00:47:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:02,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:02,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 00:47:02,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:47:02,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:02,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:02,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:02,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:02,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:47:02,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:02,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 00:47:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:02,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:02,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:02,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 00:47:02,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:47:02,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 00:47:02,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:02,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:02,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:02,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:47:02,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 00:47:02,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 00:47:02,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516323013] [2020-10-14 00:47:02,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:02,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:47:02,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604190488] [2020-10-14 00:47:02,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:47:02,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:02,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:47:02,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:47:02,461 INFO L87 Difference]: Start difference. First operand 2556 states and 3097 transitions. Second operand 7 states. [2020-10-14 00:47:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:03,987 INFO L93 Difference]: Finished difference Result 5844 states and 7118 transitions. [2020-10-14 00:47:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:47:03,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-14 00:47:03,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:03,999 INFO L225 Difference]: With dead ends: 5844 [2020-10-14 00:47:03,999 INFO L226 Difference]: Without dead ends: 2257 [2020-10-14 00:47:04,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:47:04,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2020-10-14 00:47:04,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2256. [2020-10-14 00:47:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2020-10-14 00:47:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 2632 transitions. [2020-10-14 00:47:04,068 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 2632 transitions. Word has length 222 [2020-10-14 00:47:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:04,069 INFO L479 AbstractCegarLoop]: Abstraction has 2256 states and 2632 transitions. [2020-10-14 00:47:04,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:47:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2632 transitions. [2020-10-14 00:47:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 00:47:04,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:47:04,079 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 00:47:04,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:47:04,079 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:47:04,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:47:04,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2100153289, now seen corresponding path program 1 times [2020-10-14 00:47:04,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:47:04,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241684664] [2020-10-14 00:47:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:47:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:04,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:04,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:05,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:06,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:06,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:06,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:08,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:09,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:09,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 00:47:09,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 00:47:09,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 00:47:09,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:09,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:47:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-14 00:47:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 00:47:09,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:47:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:09,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:09,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:09,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:47:09,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:47:09,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:09,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:09,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:47:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:09,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 00:47:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:09,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:09,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:47:09,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:47:09,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 00:47:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:47:09,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:47:09,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:47:09,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 00:47:09,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:47:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:47:09,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:47:09,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:47:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:47:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:47:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 00:47:09,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:47:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 82 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-14 00:47:09,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241684664] [2020-10-14 00:47:09,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:47:09,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:47:09,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16089017] [2020-10-14 00:47:09,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:47:09,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:47:09,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:47:09,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:47:09,348 INFO L87 Difference]: Start difference. First operand 2256 states and 2632 transitions. Second operand 5 states. [2020-10-14 00:47:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:47:10,456 INFO L93 Difference]: Finished difference Result 3152 states and 3657 transitions. [2020-10-14 00:47:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:47:10,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2020-10-14 00:47:10,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:47:10,457 INFO L225 Difference]: With dead ends: 3152 [2020-10-14 00:47:10,457 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:47:10,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 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 00:47:10,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:47:10,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:47:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:47:10,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:47:10,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2020-10-14 00:47:10,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:47:10,467 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:47:10,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:47:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:47:10,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:47:10,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:47:10,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:47:11,275 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 136 [2020-10-14 00:47:11,597 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 136 [2020-10-14 00:47:12,445 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 40 [2020-10-14 00:47:13,191 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 55 [2020-10-14 00:47:13,882 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 55 [2020-10-14 00:47:13,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:47:13,887 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 00:47:13,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:47:13,887 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,887 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,888 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,888 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,888 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,888 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 00:47:13,888 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 00:47:13,889 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 00:47:13,890 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 00:47:13,891 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 00:47:13,892 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 00:47:13,893 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 00:47:13,894 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 00:47:13,895 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 00:47:13,896 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 00:47:13,897 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 00:47:13,898 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,899 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,900 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 00:47:13,901 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 00:47:13,902 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,903 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 00:47:13,904 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,905 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,906 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (and .cse0 .cse1 .cse2 .cse6 .cse3)) (.cse5 (not (= 8 |old(~a17~0)|)))) (and (or (not (= 7 |old(~a17~0)|)) (and .cse0 (= 7 ~a17~0) .cse1 .cse2 .cse3)) (or .cse4 (= |old(~a25~0)| 1) .cse5) (or .cse4 .cse5 (= |old(~a11~0)| |old(~a25~0)|)) (or (and .cse0 .cse1 .cse6 (= ~a25~0 ~a19~0) .cse3) (not (= |old(~a19~0)| |old(~a25~0)|)) .cse5) (or (not (<= |old(~a28~0)| 7)) .cse4 .cse5)))) [2020-10-14 00:47:13,906 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,906 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,906 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,906 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 00:47:13,906 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 00:47:13,906 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 00:47:13,907 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 00:47:13,908 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 00:47:13,909 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 00:47:13,910 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 00:47:13,911 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 00:47:13,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:47:13,913 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a28~0 7) (not (= ~a25~0 1))) [2020-10-14 00:47:13,913 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:47:13,913 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:47:13,913 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (= |old(~a25~0)| 1) (not (= 8 |old(~a17~0)|))) [2020-10-14 00:47:13,913 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (<= ~a11~0 1))) (let ((.cse0 (= |old(~a19~0)| 1)) (.cse8 (= ~a25~0 ~a19~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse9 (or (<= |old(~a11~0)| ~a11~0) (< 0 ~a11~0))) (.cse10 (or (<= ~a11~0 |old(~a11~0)|) .cse6)) (.cse5 (<= 1 ~a11~0)) (.cse3 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a17~0 8)) (.cse7 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|))) (.cse4 (<= ~a28~0 7))) (or (not (<= |old(~a28~0)| 7)) (= 7 ~a17~0) (and .cse0 .cse1 .cse2 (= ~a28~0 10)) (= |old(~a25~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) .cse3 (= ~a25~0 |old(~a25~0)|) .cse1 .cse4 .cse2) (and .cse5 .cse6 .cse1 .cse7 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse9 .cse10 .cse7 (not (= ~a25~0 1))) (and .cse0 .cse1 .cse4 .cse8 .cse2) (and (not (= ~a25~0 ~a11~0)) .cse1 .cse9 .cse10 .cse7) (and .cse5 .cse6 .cse3 .cse1 .cse7 .cse4)))) [2020-10-14 00:47:13,913 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:47:13,913 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:47:13,914 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (<= ~a11~0 1))) (let ((.cse0 (= |old(~a19~0)| 1)) (.cse8 (= ~a25~0 ~a19~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse9 (or (<= |old(~a11~0)| ~a11~0) (< 0 ~a11~0))) (.cse10 (or (<= ~a11~0 |old(~a11~0)|) .cse6)) (.cse5 (<= 1 ~a11~0)) (.cse3 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a17~0 8)) (.cse7 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|))) (.cse4 (<= ~a28~0 7))) (or (not (<= |old(~a28~0)| 7)) (= 7 ~a17~0) (and .cse0 .cse1 .cse2 (= ~a28~0 10)) (= |old(~a25~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) .cse3 (= ~a25~0 |old(~a25~0)|) .cse1 .cse4 .cse2) (and .cse5 .cse6 .cse1 .cse7 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse9 .cse10 .cse7 (not (= ~a25~0 1))) (and .cse0 .cse1 .cse4 .cse8 .cse2) (and (not (= ~a25~0 ~a11~0)) .cse1 .cse9 .cse10 .cse7) (and .cse5 .cse6 .cse3 .cse1 .cse7 .cse4)))) [2020-10-14 00:47:13,914 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 00:47:13,914 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 00:47:13,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:47:13 BoogieIcfgContainer [2020-10-14 00:47:13,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:47:13,941 INFO L168 Benchmark]: Toolchain (without parser) took 54755.65 ms. Allocated memory was 148.9 MB in the beginning and 961.5 MB in the end (delta: 812.6 MB). Free memory was 103.1 MB in the beginning and 773.6 MB in the end (delta: -670.4 MB). Peak memory consumption was 828.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:47:13,942 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:47:13,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.37 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 102.9 MB in the beginning and 171.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:47:13,944 INFO L168 Benchmark]: Boogie Preprocessor took 144.24 ms. Allocated memory is still 206.6 MB. Free memory was 171.6 MB in the beginning and 166.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:47:13,945 INFO L168 Benchmark]: RCFGBuilder took 1520.60 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 166.2 MB in the beginning and 170.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:47:13,946 INFO L168 Benchmark]: TraceAbstraction took 52290.59 ms. Allocated memory was 233.3 MB in the beginning and 961.5 MB in the end (delta: 728.2 MB). Free memory was 170.0 MB in the beginning and 773.6 MB in the end (delta: -603.6 MB). Peak memory consumption was 810.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:47:13,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.37 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 102.9 MB in the beginning and 171.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.24 ms. Allocated memory is still 206.6 MB. Free memory was 171.6 MB in the beginning and 166.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1520.60 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 166.2 MB in the beginning and 170.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52290.59 ms. Allocated memory was 233.3 MB in the beginning and 961.5 MB in the end (delta: 728.2 MB). Free memory was 170.0 MB in the beginning and 773.6 MB in the end (delta: -603.6 MB). Peak memory consumption was 810.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(\old(a28) <= 7) || 7 == a17) || (((\old(a19) == 1 && a17 == 8) && a19 == \old(a19)) && a28 == 10)) || \old(a25) == 1) || ((((((a28 == \old(a28) && a11 == \old(a11)) && a17 <= \old(a17)) && a25 == \old(a25)) && a17 == 8) && a28 <= 7) && a19 == \old(a19))) || ((((1 <= a11 && a11 <= 1) && a17 == 8) && (\old(a11) <= 0 || 2 <= \old(a11))) && a25 == a19)) || !(8 == \old(a17))) || ((((a17 == 8 && (\old(a11) <= a11 || 0 < a11)) && (a11 <= \old(a11) || a11 <= 1)) && (\old(a11) <= 0 || 2 <= \old(a11))) && !(a25 == 1))) || ((((\old(a19) == 1 && a17 == 8) && a28 <= 7) && a25 == a19) && a19 == \old(a19))) || ((((!(a25 == a11) && a17 == 8) && (\old(a11) <= a11 || 0 < a11)) && (a11 <= \old(a11) || a11 <= 1)) && (\old(a11) <= 0 || 2 <= \old(a11)))) || (((((1 <= a11 && a11 <= 1) && a17 <= \old(a17)) && a17 == 8) && (\old(a11) <= 0 || 2 <= \old(a11))) && a28 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.7s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 2969 SDslu, 344 SDs, 0 SdLazy, 7859 SolverSat, 1032 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2556occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 352 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 137 PreInvPairs, 239 NumberOfFragments, 546 HoareAnnotationTreeSize, 137 FomulaSimplifications, 152133 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6953 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.9s InterpolantComputationTime, 1848 NumberOfCodeBlocks, 1848 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1838 ConstructedInterpolants, 0 QuantifiedInterpolants, 1063332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 504/522 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...