/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:13:33,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:13:33,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:13:33,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:13:33,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:13:33,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:13:33,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:13:33,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:13:33,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:13:33,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:13:33,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:13:33,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:13:33,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:13:33,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:13:33,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:13:33,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:13:33,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:13:33,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:13:33,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:13:33,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:13:33,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:13:33,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:13:33,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:13:33,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:13:33,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:13:33,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:13:33,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:13:33,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:13:33,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:13:33,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:13:33,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:13:33,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:13:33,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:13:33,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:13:33,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:13:33,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:13:33,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:13:33,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:13:33,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:13:33,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:13:33,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:13:33,777 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 [2020-10-13 08:13:33,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:13:33,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:13:33,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:13:33,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:13:33,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:13:33,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:13:33,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:13:33,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:13:33,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:13:33,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:13:33,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:13:33,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:13:33,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:13:33,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:13:33,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:13:33,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:13:33,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:13:33,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:13:33,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:13:33,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:13:33,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:13:33,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:13:33,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:13:33,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:13:33,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:13:33,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:13:33,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:13:33,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:13:33,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:13:33,808 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:13:34,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:13:34,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:13:34,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:13:34,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:13:34,155 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:13:34,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59.c [2020-10-13 08:13:34,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb3fbd1d7/b7111f1b78d64fcbaeb8e7d805b64211/FLAG2abf7a17f [2020-10-13 08:13:34,870 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:13:34,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label59.c [2020-10-13 08:13:34,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb3fbd1d7/b7111f1b78d64fcbaeb8e7d805b64211/FLAG2abf7a17f [2020-10-13 08:13:35,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb3fbd1d7/b7111f1b78d64fcbaeb8e7d805b64211 [2020-10-13 08:13:35,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:13:35,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:13:35,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:13:35,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:13:35,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:13:35,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:13:35" (1/1) ... [2020-10-13 08:13:35,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a874bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:35, skipping insertion in model container [2020-10-13 08:13:35,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:13:35" (1/1) ... [2020-10-13 08:13:35,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:13:35,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:13:35,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:13:35,858 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:13:36,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:13:36,111 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:13:36,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36 WrapperNode [2020-10-13 08:13:36,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:13:36,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:13:36,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:13:36,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:13:36,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (1/1) ... [2020-10-13 08:13:36,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:13:36,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:13:36,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:13:36,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:13:36,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (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 [2020-10-13 08:13:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:13:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:13:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:13:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:13:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:13:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:13:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:13:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:13:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:13:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:13:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:13:38,222 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:13:38,222 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:13:38,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:13:38 BoogieIcfgContainer [2020-10-13 08:13:38,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:13:38,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:13:38,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:13:38,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:13:38,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:13:35" (1/3) ... [2020-10-13 08:13:38,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605cd603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:13:38, skipping insertion in model container [2020-10-13 08:13:38,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36" (2/3) ... [2020-10-13 08:13:38,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605cd603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:13:38, skipping insertion in model container [2020-10-13 08:13:38,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:13:38" (3/3) ... [2020-10-13 08:13:38,240 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c [2020-10-13 08:13:38,251 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:13:38,259 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:13:38,274 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:13:38,303 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:13:38,304 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:13:38,304 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:13:38,304 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:13:38,304 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:13:38,304 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:13:38,305 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:13:38,305 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:13:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:13:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 08:13:38,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:38,346 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] [2020-10-13 08:13:38,347 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:38,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:38,355 INFO L82 PathProgramCache]: Analyzing trace with hash -912328190, now seen corresponding path program 1 times [2020-10-13 08:13:38,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:38,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923561884] [2020-10-13 08:13:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:39,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:39,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:13:39,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-13 08:13:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:13:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:13:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:13:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:13:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:39,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:39,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:39,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:13:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:13:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:13:39,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923561884] [2020-10-13 08:13:39,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:13:39,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:13:39,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208031148] [2020-10-13 08:13:39,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:39,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:39,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:39,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:39,459 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-13 08:13:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:41,977 INFO L93 Difference]: Finished difference Result 793 states and 1394 transitions. [2020-10-13 08:13:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:41,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-13 08:13:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:42,014 INFO L225 Difference]: With dead ends: 793 [2020-10-13 08:13:42,014 INFO L226 Difference]: Without dead ends: 437 [2020-10-13 08:13:42,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:13:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-10-13 08:13:42,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 422. [2020-10-13 08:13:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-13 08:13:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 673 transitions. [2020-10-13 08:13:42,172 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 673 transitions. Word has length 65 [2020-10-13 08:13:42,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:42,172 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 673 transitions. [2020-10-13 08:13:42,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 673 transitions. [2020-10-13 08:13:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 08:13:42,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:42,180 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:42,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:13:42,181 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:42,181 INFO L82 PathProgramCache]: Analyzing trace with hash -588923191, now seen corresponding path program 1 times [2020-10-13 08:13:42,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:42,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969696454] [2020-10-13 08:13:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:42,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:43,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:44,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:13:44,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2038 [2020-10-13 08:13:44,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:13:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:13:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:13:44,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:44,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:44,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:44,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:44,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:13:44,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:44,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:44,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:44,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:44,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:44,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:13:44,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 08:13:44,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:13:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:13:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:13:44,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969696454] [2020-10-13 08:13:44,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:44,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:13:44,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357733513] [2020-10-13 08:13:44,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:44,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:44,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:44,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:44,708 INFO L87 Difference]: Start difference. First operand 422 states and 673 transitions. Second operand 5 states. [2020-10-13 08:13:46,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:46,396 INFO L93 Difference]: Finished difference Result 867 states and 1378 transitions. [2020-10-13 08:13:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:46,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-13 08:13:46,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:46,400 INFO L225 Difference]: With dead ends: 867 [2020-10-13 08:13:46,401 INFO L226 Difference]: Without dead ends: 429 [2020-10-13 08:13:46,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:13:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-10-13 08:13:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 422. [2020-10-13 08:13:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-13 08:13:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 671 transitions. [2020-10-13 08:13:46,427 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 671 transitions. Word has length 134 [2020-10-13 08:13:46,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:46,428 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 671 transitions. [2020-10-13 08:13:46,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 671 transitions. [2020-10-13 08:13:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 08:13:46,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:46,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:46,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:13:46,432 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:46,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:46,432 INFO L82 PathProgramCache]: Analyzing trace with hash 578512354, now seen corresponding path program 1 times [2020-10-13 08:13:46,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:46,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667215792] [2020-10-13 08:13:46,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:46,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:46,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:47,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 08:13:48,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1699 [2020-10-13 08:13:48,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:13:48,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:13:48,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:48,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:48,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:13:48,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:48,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:13:48,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:48,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 08:13:48,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:13:48,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:13:48,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667215792] [2020-10-13 08:13:48,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:48,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:13:48,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458115918] [2020-10-13 08:13:48,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:48,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:48,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:48,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:48,528 INFO L87 Difference]: Start difference. First operand 422 states and 671 transitions. Second operand 5 states. [2020-10-13 08:13:50,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:50,119 INFO L93 Difference]: Finished difference Result 866 states and 1373 transitions. [2020-10-13 08:13:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:50,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-13 08:13:50,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:50,127 INFO L225 Difference]: With dead ends: 866 [2020-10-13 08:13:50,128 INFO L226 Difference]: Without dead ends: 429 [2020-10-13 08:13:50,130 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 [2020-10-13 08:13:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-10-13 08:13:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 422. [2020-10-13 08:13:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-13 08:13:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 669 transitions. [2020-10-13 08:13:50,155 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 669 transitions. Word has length 137 [2020-10-13 08:13:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:50,156 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 669 transitions. [2020-10-13 08:13:50,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 669 transitions. [2020-10-13 08:13:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 08:13:50,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:50,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:50,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:13:50,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:50,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:50,166 INFO L82 PathProgramCache]: Analyzing trace with hash -2098670063, now seen corresponding path program 1 times [2020-10-13 08:13:50,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:50,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451827108] [2020-10-13 08:13:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:50,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:50,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:51,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:52,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:52,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:13:52,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:52,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2347 [2020-10-13 08:13:52,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:52,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:13:52,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:13:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:13:52,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:52,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:52,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:52,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:52,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:13:52,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:52,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:13:52,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:52,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:53,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:53,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:13:53,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:53,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:13:53,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:53,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:53,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:53,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:13:53,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:53,118 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:13:53,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451827108] [2020-10-13 08:13:53,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:53,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:13:53,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840494915] [2020-10-13 08:13:53,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:13:53,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:53,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:13:53,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:13:53,121 INFO L87 Difference]: Start difference. First operand 422 states and 669 transitions. Second operand 8 states. [2020-10-13 08:13:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:55,994 INFO L93 Difference]: Finished difference Result 971 states and 1484 transitions. [2020-10-13 08:13:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 08:13:55,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-10-13 08:13:55,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:56,001 INFO L225 Difference]: With dead ends: 971 [2020-10-13 08:13:56,002 INFO L226 Difference]: Without dead ends: 429 [2020-10-13 08:13:56,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-13 08:13:56,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-10-13 08:13:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 422. [2020-10-13 08:13:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-13 08:13:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 663 transitions. [2020-10-13 08:13:56,026 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 663 transitions. Word has length 138 [2020-10-13 08:13:56,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:56,028 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 663 transitions. [2020-10-13 08:13:56,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:13:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 663 transitions. [2020-10-13 08:13:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 08:13:56,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:56,030 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:56,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:13:56,031 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:56,031 INFO L82 PathProgramCache]: Analyzing trace with hash 523086762, now seen corresponding path program 1 times [2020-10-13 08:13:56,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:56,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352990346] [2020-10-13 08:13:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 08:13:56,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:13:56,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 681 [2020-10-13 08:13:56,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 08:13:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:13:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:56,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:56,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:13:56,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:13:56,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 08:13:56,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:56,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:56,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:13:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:13:56,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352990346] [2020-10-13 08:13:56,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:56,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:13:56,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621914182] [2020-10-13 08:13:56,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:56,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:56,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:56,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:56,979 INFO L87 Difference]: Start difference. First operand 422 states and 663 transitions. Second operand 5 states. [2020-10-13 08:13:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:59,508 INFO L93 Difference]: Finished difference Result 1230 states and 1960 transitions. [2020-10-13 08:13:59,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:59,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 08:13:59,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:59,515 INFO L225 Difference]: With dead ends: 1230 [2020-10-13 08:13:59,515 INFO L226 Difference]: Without dead ends: 814 [2020-10-13 08:13:59,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:13:59,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-10-13 08:13:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 620. [2020-10-13 08:13:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-13 08:13:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 918 transitions. [2020-10-13 08:13:59,541 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 918 transitions. Word has length 141 [2020-10-13 08:13:59,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:59,542 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 918 transitions. [2020-10-13 08:13:59,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 918 transitions. [2020-10-13 08:13:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-13 08:13:59,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:59,545 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:59,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:13:59,545 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:59,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:59,545 INFO L82 PathProgramCache]: Analyzing trace with hash -6379374, now seen corresponding path program 1 times [2020-10-13 08:13:59,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:59,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448328834] [2020-10-13 08:13:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:59,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:59,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:00,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:00,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:00,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-13 08:14:00,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:14:00,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1077 [2020-10-13 08:14:00,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 08:14:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:14:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:00,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:14:00,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:00,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:00,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:00,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 08:14:00,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 08:14:00,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 08:14:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:14:01,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448328834] [2020-10-13 08:14:01,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:01,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:14:01,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187069605] [2020-10-13 08:14:01,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:01,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:01,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:01,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:01,021 INFO L87 Difference]: Start difference. First operand 620 states and 918 transitions. Second operand 5 states. [2020-10-13 08:14:02,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:02,403 INFO L93 Difference]: Finished difference Result 1250 states and 1858 transitions. [2020-10-13 08:14:02,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:02,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-10-13 08:14:02,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:02,412 INFO L225 Difference]: With dead ends: 1250 [2020-10-13 08:14:02,412 INFO L226 Difference]: Without dead ends: 624 [2020-10-13 08:14:02,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:02,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-10-13 08:14:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 620. [2020-10-13 08:14:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-13 08:14:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 915 transitions. [2020-10-13 08:14:02,435 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 915 transitions. Word has length 161 [2020-10-13 08:14:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:02,435 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 915 transitions. [2020-10-13 08:14:02,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 915 transitions. [2020-10-13 08:14:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 08:14:02,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:02,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:14:02,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:14:02,438 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:02,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1433758171, now seen corresponding path program 1 times [2020-10-13 08:14:02,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:02,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970352912] [2020-10-13 08:14:02,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 08:14:03,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:14:03,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-10-13 08:14:03,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-13 08:14:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:14:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:03,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:03,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:03,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:14:03,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:03,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:03,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:14:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:14:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:14:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:14:03,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970352912] [2020-10-13 08:14:03,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:03,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:14:03,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70807873] [2020-10-13 08:14:03,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:03,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:03,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:03,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:03,693 INFO L87 Difference]: Start difference. First operand 620 states and 915 transitions. Second operand 5 states. [2020-10-13 08:14:06,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:06,000 INFO L93 Difference]: Finished difference Result 1812 states and 2730 transitions. [2020-10-13 08:14:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:06,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-13 08:14:06,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:06,011 INFO L225 Difference]: With dead ends: 1812 [2020-10-13 08:14:06,011 INFO L226 Difference]: Without dead ends: 1198 [2020-10-13 08:14:06,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:06,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-13 08:14:06,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1190. [2020-10-13 08:14:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-10-13 08:14:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1656 transitions. [2020-10-13 08:14:06,066 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1656 transitions. Word has length 167 [2020-10-13 08:14:06,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:06,067 INFO L479 AbstractCegarLoop]: Abstraction has 1190 states and 1656 transitions. [2020-10-13 08:14:06,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1656 transitions. [2020-10-13 08:14:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 08:14:06,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:06,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:14:06,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:14:06,073 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:06,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:06,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1755774456, now seen corresponding path program 1 times [2020-10-13 08:14:06,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:06,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663872792] [2020-10-13 08:14:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:06,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:06,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:06,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 08:14:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:14:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1356 [2020-10-13 08:14:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-13 08:14:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:14:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:07,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:07,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:07,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:07,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:14:07,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:07,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:07,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:07,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:07,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:14:07,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:07,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-13 08:14:07,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:07,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:07,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-13 08:14:07,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:14:07,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:14:07,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663872792] [2020-10-13 08:14:07,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:14:07,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:14:07,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174224861] [2020-10-13 08:14:07,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:07,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:07,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:07,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:07,750 INFO L87 Difference]: Start difference. First operand 1190 states and 1656 transitions. Second operand 5 states. [2020-10-13 08:14:10,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:10,318 INFO L93 Difference]: Finished difference Result 3330 states and 4719 transitions. [2020-10-13 08:14:10,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:10,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-13 08:14:10,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:10,331 INFO L225 Difference]: With dead ends: 3330 [2020-10-13 08:14:10,331 INFO L226 Difference]: Without dead ends: 2146 [2020-10-13 08:14:10,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2020-10-13 08:14:10,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 1954. [2020-10-13 08:14:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2020-10-13 08:14:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2577 transitions. [2020-10-13 08:14:10,390 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2577 transitions. Word has length 196 [2020-10-13 08:14:10,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:10,390 INFO L479 AbstractCegarLoop]: Abstraction has 1954 states and 2577 transitions. [2020-10-13 08:14:10,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2577 transitions. [2020-10-13 08:14:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-13 08:14:10,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:10,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:14:10,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:14:10,397 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:10,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:10,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1153066580, now seen corresponding path program 1 times [2020-10-13 08:14:10,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:10,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003988726] [2020-10-13 08:14:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:10,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:10,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:10,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:11,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:11,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:11,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 08:14:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:14:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1341 [2020-10-13 08:14:11,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:11,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-13 08:14:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:14:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:11,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:11,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:11,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:11,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:14:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:11,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:11,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:12,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:12,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 08:14:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-13 08:14:12,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-13 08:14:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:14:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:14:12,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003988726] [2020-10-13 08:14:12,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:14:12,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:14:12,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308030016] [2020-10-13 08:14:12,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:12,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:12,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:12,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:12,233 INFO L87 Difference]: Start difference. First operand 1954 states and 2577 transitions. Second operand 5 states. [2020-10-13 08:14:13,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:13,471 INFO L93 Difference]: Finished difference Result 3904 states and 5163 transitions. [2020-10-13 08:14:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:13,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-13 08:14:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:13,489 INFO L225 Difference]: With dead ends: 3904 [2020-10-13 08:14:13,489 INFO L226 Difference]: Without dead ends: 1956 [2020-10-13 08:14:13,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:13,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2020-10-13 08:14:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1952. [2020-10-13 08:14:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-13 08:14:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2571 transitions. [2020-10-13 08:14:13,575 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2571 transitions. Word has length 241 [2020-10-13 08:14:13,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:13,575 INFO L479 AbstractCegarLoop]: Abstraction has 1952 states and 2571 transitions. [2020-10-13 08:14:13,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2571 transitions. [2020-10-13 08:14:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-13 08:14:13,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:13,583 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-13 08:14:13,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:14:13,584 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:13,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:13,584 INFO L82 PathProgramCache]: Analyzing trace with hash 123755569, now seen corresponding path program 1 times [2020-10-13 08:14:13,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:13,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70911582] [2020-10-13 08:14:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:13,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:13,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:14,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:14,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:17,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:17,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-13 08:14:17,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:14:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4301 [2020-10-13 08:14:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-13 08:14:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:14:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:18,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:18,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:18,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:18,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:18,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:14:18,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:18,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:18,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:18,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:14:18,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:18,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:14:18,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:18,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:18,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:18,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:14:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:18,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:18,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:18,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:18,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:14:18,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:14:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-13 08:14:18,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 08:14:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:14:18,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70911582] [2020-10-13 08:14:18,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:18,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:14:18,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405506379] [2020-10-13 08:14:18,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:18,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:18,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:18,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:18,489 INFO L87 Difference]: Start difference. First operand 1952 states and 2571 transitions. Second operand 5 states. [2020-10-13 08:14:20,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:20,901 INFO L93 Difference]: Finished difference Result 4662 states and 6211 transitions. [2020-10-13 08:14:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:20,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 288 [2020-10-13 08:14:20,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:20,917 INFO L225 Difference]: With dead ends: 4662 [2020-10-13 08:14:20,917 INFO L226 Difference]: Without dead ends: 2716 [2020-10-13 08:14:20,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2020-10-13 08:14:20,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2524. [2020-10-13 08:14:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2524 states. [2020-10-13 08:14:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2524 states and 3252 transitions. [2020-10-13 08:14:20,990 INFO L78 Accepts]: Start accepts. Automaton has 2524 states and 3252 transitions. Word has length 288 [2020-10-13 08:14:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:20,990 INFO L479 AbstractCegarLoop]: Abstraction has 2524 states and 3252 transitions. [2020-10-13 08:14:20,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 3252 transitions. [2020-10-13 08:14:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-13 08:14:20,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:21,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-13 08:14:21,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:14:21,000 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:21,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:21,001 INFO L82 PathProgramCache]: Analyzing trace with hash -439646342, now seen corresponding path program 1 times [2020-10-13 08:14:21,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:21,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276305900] [2020-10-13 08:14:21,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:23,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2153 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:14:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:23,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:23,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:23,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:23,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:14:23,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:23,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:23,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:23,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:23,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:14:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:23,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:23,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:23,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 08:14:23,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:23,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-13 08:14:23,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-13 08:14:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:14:23,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276305900] [2020-10-13 08:14:23,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:23,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:14:23,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695353608] [2020-10-13 08:14:23,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:23,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:23,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:23,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:23,740 INFO L87 Difference]: Start difference. First operand 2524 states and 3252 transitions. Second operand 5 states. [2020-10-13 08:14:25,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:25,344 INFO L93 Difference]: Finished difference Result 5058 states and 6536 transitions. [2020-10-13 08:14:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:25,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-10-13 08:14:25,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:25,362 INFO L225 Difference]: With dead ends: 5058 [2020-10-13 08:14:25,362 INFO L226 Difference]: Without dead ends: 2528 [2020-10-13 08:14:25,369 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 [2020-10-13 08:14:25,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-13 08:14:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2524. [2020-10-13 08:14:25,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2524 states. [2020-10-13 08:14:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2524 states and 3247 transitions. [2020-10-13 08:14:25,433 INFO L78 Accepts]: Start accepts. Automaton has 2524 states and 3247 transitions. Word has length 303 [2020-10-13 08:14:25,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:25,434 INFO L479 AbstractCegarLoop]: Abstraction has 2524 states and 3247 transitions. [2020-10-13 08:14:25,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 3247 transitions. [2020-10-13 08:14:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-13 08:14:25,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:25,447 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-13 08:14:25,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:14:25,447 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:25,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:25,448 INFO L82 PathProgramCache]: Analyzing trace with hash 910189183, now seen corresponding path program 1 times [2020-10-13 08:14:25,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:25,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019496591] [2020-10-13 08:14:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:27,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:29,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:29,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-13 08:14:29,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:14:29,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4051 [2020-10-13 08:14:29,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-13 08:14:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:14:29,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:29,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:29,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:29,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:29,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:29,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:29,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:14:29,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:29,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:29,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:29,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:29,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:14:29,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:29,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:14:29,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:14:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:14:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:14:29,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019496591] [2020-10-13 08:14:29,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:29,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:14:29,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124769766] [2020-10-13 08:14:29,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:29,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:29,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:29,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:29,940 INFO L87 Difference]: Start difference. First operand 2524 states and 3247 transitions. Second operand 5 states. [2020-10-13 08:14:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:31,564 INFO L93 Difference]: Finished difference Result 5058 states and 6529 transitions. [2020-10-13 08:14:31,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:31,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2020-10-13 08:14:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:31,576 INFO L225 Difference]: With dead ends: 5058 [2020-10-13 08:14:31,576 INFO L226 Difference]: Without dead ends: 2528 [2020-10-13 08:14:31,582 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 [2020-10-13 08:14:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-13 08:14:31,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2524. [2020-10-13 08:14:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2524 states. [2020-10-13 08:14:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2524 states and 3239 transitions. [2020-10-13 08:14:31,645 INFO L78 Accepts]: Start accepts. Automaton has 2524 states and 3239 transitions. Word has length 304 [2020-10-13 08:14:31,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:31,645 INFO L479 AbstractCegarLoop]: Abstraction has 2524 states and 3239 transitions. [2020-10-13 08:14:31,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 3239 transitions. [2020-10-13 08:14:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-13 08:14:31,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:31,657 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-13 08:14:31,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:14:31,657 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 616160489, now seen corresponding path program 1 times [2020-10-13 08:14:31,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:31,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27159512] [2020-10-13 08:14:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:31,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:31,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:31,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:32,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:32,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:33,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:33,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:33,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-13 08:14:33,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:14:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2034 [2020-10-13 08:14:33,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:33,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-13 08:14:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:14:33,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:33,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:33,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:33,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:33,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:14:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:34,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:34,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:14:34,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 08:14:34,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:14:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:14:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:14:34,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27159512] [2020-10-13 08:14:34,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:14:34,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:14:34,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636472598] [2020-10-13 08:14:34,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:14:34,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:34,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:14:34,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:14:34,076 INFO L87 Difference]: Start difference. First operand 2524 states and 3239 transitions. Second operand 5 states. [2020-10-13 08:14:35,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:35,306 INFO L93 Difference]: Finished difference Result 5041 states and 6508 transitions. [2020-10-13 08:14:35,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:14:35,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 310 [2020-10-13 08:14:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:35,316 INFO L225 Difference]: With dead ends: 5041 [2020-10-13 08:14:35,316 INFO L226 Difference]: Without dead ends: 2523 [2020-10-13 08:14:35,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:35,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2020-10-13 08:14:35,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2331. [2020-10-13 08:14:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2331 states. [2020-10-13 08:14:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 2971 transitions. [2020-10-13 08:14:35,381 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 2971 transitions. Word has length 310 [2020-10-13 08:14:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:35,382 INFO L479 AbstractCegarLoop]: Abstraction has 2331 states and 2971 transitions. [2020-10-13 08:14:35,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:14:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2971 transitions. [2020-10-13 08:14:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-13 08:14:35,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:35,390 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-13 08:14:35,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:14:35,390 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:35,391 INFO L82 PathProgramCache]: Analyzing trace with hash 155569589, now seen corresponding path program 1 times [2020-10-13 08:14:35,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:35,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125607962] [2020-10-13 08:14:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:35,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:35,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:36,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:37,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:39,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:39,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4521 [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 279 [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 08:14:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:40,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:40,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:40,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:40,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:40,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:40,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:14:40,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:40,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:40,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:40,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:40,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:14:40,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:40,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:14:40,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:40,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:14:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 08:14:40,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:40,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-13 08:14:40,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:14:40,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125607962] [2020-10-13 08:14:40,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:40,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:14:40,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835206106] [2020-10-13 08:14:40,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:14:40,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:40,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:14:40,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:14:40,366 INFO L87 Difference]: Start difference. First operand 2331 states and 2971 transitions. Second operand 6 states. [2020-10-13 08:14:43,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:43,310 INFO L93 Difference]: Finished difference Result 5417 states and 6806 transitions. [2020-10-13 08:14:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:14:43,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 334 [2020-10-13 08:14:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:43,312 INFO L225 Difference]: With dead ends: 5417 [2020-10-13 08:14:43,312 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:14:43,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:14:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:14:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:14:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:14:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:14:43,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2020-10-13 08:14:43,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:43,321 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:14:43,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:14:43,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:14:43,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:14:43,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:14:43,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:14:43,957 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 122 [2020-10-13 08:14:44,115 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 122 [2020-10-13 08:14:44,994 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 87 [2020-10-13 08:14:45,330 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2020-10-13 08:14:45,635 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2020-10-13 08:14:45,640 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,641 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:14:45,642 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,643 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,644 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:14:45,645 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,646 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,647 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:14:45,648 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,649 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse5 (= ~a23~0 |old(~a23~0)|)) (.cse6 (= ~a29~0 |old(~a29~0)|)) (.cse7 (= ~a4~0 |old(~a4~0)|))) (let ((.cse0 (not (= |old(~a4~0)| 1))) (.cse4 (not (= 9 |old(~a25~0)|))) (.cse1 (not (= ~a8~0 15))) (.cse2 (and (= ~a25~0 |old(~a25~0)|) .cse5 .cse6 .cse7)) (.cse3 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 (not (<= 183 |old(~a29~0)|)) .cse2 .cse3) (or (not (<= 10 |old(~a25~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a23~0)| 306)) (not (<= (+ |old(~a29~0)| 538657) 0)) .cse1 (not (<= 141 |old(~a23~0)|)) .cse2 .cse4 .cse3) (or (not (<= |old(~a25~0)| 9)) (not (<= 155 |old(~a23~0)|)) .cse1 (not (<= |old(~a23~0)| 247)) (and (<= ~a25~0 9) (<= 9 ~a25~0) .cse5 .cse6 .cse7) (not (<= 9 |old(~a25~0)|)) (not (<= (+ |old(~a29~0)| 90601) 0)) (not (<= |old(~a4~0)| 1)) .cse3 (not (<= 1 |old(~a4~0)|))) (or .cse1 .cse2 .cse3 (not (<= |old(~a23~0)| 138))) (or (not (<= 173 |old(~a23~0)|)) .cse0 (not (<= |old(~a29~0)| 140)) .cse1 (not (<= |old(~a23~0)| 265)) .cse2 .cse4 .cse3) (or .cse1 .cse2 (not (<= 246 |old(~a29~0)|)) .cse3)))) [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,650 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:14:45,651 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,652 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,653 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,654 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,655 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:14:45,656 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:14:45,657 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:14:45,658 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,659 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,660 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,661 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,662 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:14:45,663 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,664 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:14:45,665 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:14:45,666 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,667 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,668 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:14:45,668 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,668 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,668 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:45,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:14:45,668 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 10 ~a25~0) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1)) [2020-10-13 08:14:45,668 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:14:45,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:14:45,669 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (= ~a3~0 1))) [2020-10-13 08:14:45,669 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:14:45,669 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse1 (= ~a25~0 9)) (.cse0 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (<= ~a23~0 138) (and (<= 183 ~a29~0) .cse0) (and (<= 1 ~a4~0) (<= 155 ~a23~0) (<= 9 ~a25~0) (<= ~a23~0 247) (<= (+ ~a29~0 90601) 0) (<= ~a4~0 1)) (not (= ~a8~0 15)) (<= 10 ~a25~0) (and (<= (+ ~a29~0 538657) 0) .cse1 (<= ~a23~0 306) (<= 141 ~a23~0) .cse0) (and .cse1 (<= 173 ~a23~0) (<= ~a29~0 140) (<= ~a23~0 265) .cse0) (not (= ~a3~0 1)) (<= 246 ~a29~0))) [2020-10-13 08:14:45,669 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:14:45,669 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:14:45,669 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse1 (= ~a25~0 9)) (.cse0 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (<= ~a23~0 138) (and (<= 183 ~a29~0) .cse0) (and (<= 1 ~a4~0) (<= 155 ~a23~0) (<= 9 ~a25~0) (<= ~a23~0 247) (<= (+ ~a29~0 90601) 0) (<= ~a4~0 1)) (not (= ~a8~0 15)) (<= 10 ~a25~0) (and (<= (+ ~a29~0 538657) 0) .cse1 (<= ~a23~0 306) (<= 141 ~a23~0) .cse0) (and .cse1 (<= 173 ~a23~0) (<= ~a29~0 140) (<= ~a23~0 265) .cse0) (not (= ~a3~0 1)) (<= 246 ~a29~0))) [2020-10-13 08:14:45,670 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:14:45,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:14:45 BoogieIcfgContainer [2020-10-13 08:14:45,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:14:45,696 INFO L168 Benchmark]: Toolchain (without parser) took 70598.50 ms. Allocated memory was 145.8 MB in the beginning and 1.0 GB in the end (delta: 888.7 MB). Free memory was 98.7 MB in the beginning and 333.0 MB in the end (delta: -234.3 MB). Peak memory consumption was 654.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:45,696 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:14:45,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.68 ms. Allocated memory was 145.8 MB in the beginning and 209.2 MB in the end (delta: 63.4 MB). Free memory was 98.3 MB in the beginning and 162.5 MB in the end (delta: -64.3 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:45,698 INFO L168 Benchmark]: Boogie Preprocessor took 210.92 ms. Allocated memory is still 209.2 MB. Free memory was 162.5 MB in the beginning and 155.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:45,699 INFO L168 Benchmark]: RCFGBuilder took 1905.96 ms. Allocated memory was 209.2 MB in the beginning and 241.2 MB in the end (delta: 32.0 MB). Free memory was 154.4 MB in the beginning and 99.0 MB in the end (delta: 55.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:45,699 INFO L168 Benchmark]: TraceAbstraction took 67461.97 ms. Allocated memory was 241.2 MB in the beginning and 1.0 GB in the end (delta: 793.2 MB). Free memory was 99.0 MB in the beginning and 333.0 MB in the end (delta: -234.0 MB). Peak memory consumption was 559.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:45,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1010.68 ms. Allocated memory was 145.8 MB in the beginning and 209.2 MB in the end (delta: 63.4 MB). Free memory was 98.3 MB in the beginning and 162.5 MB in the end (delta: -64.3 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 210.92 ms. Allocated memory is still 209.2 MB. Free memory was 162.5 MB in the beginning and 155.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1905.96 ms. Allocated memory was 209.2 MB in the beginning and 241.2 MB in the end (delta: 32.0 MB). Free memory was 154.4 MB in the beginning and 99.0 MB in the end (delta: 55.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67461.97 ms. Allocated memory was 241.2 MB in the beginning and 1.0 GB in the end (delta: 793.2 MB). Free memory was 99.0 MB in the beginning and 333.0 MB in the end (delta: -234.0 MB). Peak memory consumption was 559.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((!(10 <= \old(a25)) || !(\old(a4) == 1)) || a23 <= 138) || (183 <= a29 && a4 == 1)) || (((((1 <= a4 && 155 <= a23) && 9 <= a25) && a23 <= 247) && a29 + 90601 <= 0) && a4 <= 1)) || !(a8 == 15)) || 10 <= a25) || ((((a29 + 538657 <= 0 && a25 == 9) && a23 <= 306) && 141 <= a23) && a4 == 1)) || ((((a25 == 9 && 173 <= a23) && a29 <= 140) && a23 <= 265) && a4 == 1)) || !(a3 == 1)) || 246 <= a29 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.0s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 28.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 581 SDtfs, 5815 SDslu, 693 SDs, 0 SdLazy, 14639 SolverSat, 1498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 99 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2524occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 830 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 173 NumberOfFragments, 507 HoareAnnotationTreeSize, 123 FomulaSimplifications, 2146005 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6660 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 2919 NumberOfCodeBlocks, 2919 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2905 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1460/1474 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...