/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:31:22,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:31:22,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:31:22,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:31:22,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:31:22,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:31:22,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:31:22,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:31:22,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:31:22,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:31:22,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:31:22,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:31:22,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:31:22,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:31:22,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:31:22,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:31:22,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:31:22,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:31:22,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:31:22,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:31:22,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:31:22,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:31:22,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:31:22,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:31:22,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:31:22,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:31:22,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:31:22,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:31:22,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:31:22,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:31:22,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:31:22,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:31:22,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:31:22,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:31:22,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:31:22,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:31:22,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:31:22,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:31:22,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:31:22,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:31:22,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:31:22,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 02:31:22,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:31:22,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:31:22,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:31:22,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:31:22,683 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:31:22,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:31:22,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:31:22,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:31:22,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:31:22,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:31:22,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:31:22,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:31:22,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:31:22,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:31:22,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:31:22,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:31:22,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:31:22,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:31:22,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:31:22,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:31:22,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:31:22,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:31:22,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:31:22,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:31:22,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:31:22,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:31:22,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:31:22,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:31:22,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:31:22,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:31:23,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:31:23,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:31:23,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:31:23,025 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:31:23,026 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:31:23,026 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-14 02:31:23,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/979e6b15b/260e1b8218c247e1945d394a6bbdc661/FLAG9df76a203 [2020-10-14 02:31:23,678 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:31:23,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-14 02:31:23,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/979e6b15b/260e1b8218c247e1945d394a6bbdc661/FLAG9df76a203 [2020-10-14 02:31:23,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/979e6b15b/260e1b8218c247e1945d394a6bbdc661 [2020-10-14 02:31:23,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:31:23,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:31:23,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:31:23,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:31:23,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:31:23,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:31:23" (1/1) ... [2020-10-14 02:31:23,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb7919e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:23, skipping insertion in model container [2020-10-14 02:31:23,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:31:23" (1/1) ... [2020-10-14 02:31:23,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:31:24,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:31:24,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:31:24,449 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:31:24,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:31:24,714 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:31:24,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24 WrapperNode [2020-10-14 02:31:24,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:31:24,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:31:24,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:31:24,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:31:24,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... [2020-10-14 02:31:24,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:31:24,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:31:24,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:31:24,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:31:24,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:31:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:31:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:31:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:31:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:31:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:31:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:31:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:31:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:31:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:31:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:31:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:31:26,199 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:31:26,199 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:31:26,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:31:26 BoogieIcfgContainer [2020-10-14 02:31:26,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:31:26,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:31:26,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:31:26,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:31:26,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:31:23" (1/3) ... [2020-10-14 02:31:26,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c3a710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:31:26, skipping insertion in model container [2020-10-14 02:31:26,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:31:24" (2/3) ... [2020-10-14 02:31:26,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c3a710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:31:26, skipping insertion in model container [2020-10-14 02:31:26,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:31:26" (3/3) ... [2020-10-14 02:31:26,215 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-10-14 02:31:26,227 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:31:26,235 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:31:26,250 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:31:26,281 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:31:26,282 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:31:26,282 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:31:26,282 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:31:26,282 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:31:26,283 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:31:26,283 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:31:26,283 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:31:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 02:31:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-14 02:31:26,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:26,321 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] [2020-10-14 02:31:26,322 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:26,330 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-10-14 02:31:26,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:26,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866876548] [2020-10-14 02:31:26,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:26,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:26,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:26,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 02:31:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-14 02:31:26,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:26,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:26,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:31:26,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:31:26,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 02:31:26,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:31:27,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:27,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:27,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:27,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:27,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 02:31:27,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:27,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:31:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:27,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866876548] [2020-10-14 02:31:27,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:31:27,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:31:27,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562635022] [2020-10-14 02:31:27,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:31:27,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:27,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:31:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:31:27,149 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 02:31:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:28,635 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 02:31:28,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:28,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-10-14 02:31:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:28,654 INFO L225 Difference]: With dead ends: 581 [2020-10-14 02:31:28,654 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 02:31:28,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:31:28,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 02:31:28,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 02:31:28,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 02:31:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-14 02:31:28,746 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 44 [2020-10-14 02:31:28,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:28,747 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-14 02:31:28,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:31:28,747 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-14 02:31:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 02:31:28,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:28,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:28,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:31:28,756 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:28,757 INFO L82 PathProgramCache]: Analyzing trace with hash -281748898, now seen corresponding path program 1 times [2020-10-14 02:31:28,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:28,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780619497] [2020-10-14 02:31:28,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:28,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:29,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:30,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:30,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:31:30,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1194 [2020-10-14 02:31:30,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:30,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:31:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:31:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 02:31:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:30,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:30,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:30,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:30,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:31:30,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:30,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:30,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:30,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:30,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:31:30,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 02:31:30,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:30,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:31:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:30,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780619497] [2020-10-14 02:31:30,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:30,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:31:30,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065417915] [2020-10-14 02:31:30,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:31:30,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:30,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:31:30,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:31:30,280 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 5 states. [2020-10-14 02:31:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:31,675 INFO L93 Difference]: Finished difference Result 886 states and 1297 transitions. [2020-10-14 02:31:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:31,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-14 02:31:31,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:31,684 INFO L225 Difference]: With dead ends: 886 [2020-10-14 02:31:31,684 INFO L226 Difference]: Without dead ends: 596 [2020-10-14 02:31:31,686 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 [2020-10-14 02:31:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-14 02:31:31,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-10-14 02:31:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-14 02:31:31,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 783 transitions. [2020-10-14 02:31:31,731 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 783 transitions. Word has length 116 [2020-10-14 02:31:31,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:31,732 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 783 transitions. [2020-10-14 02:31:31,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:31:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 783 transitions. [2020-10-14 02:31:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 02:31:31,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:31,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:31,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:31:31,737 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:31,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:31,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2042909593, now seen corresponding path program 1 times [2020-10-14 02:31:31,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:31,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158164498] [2020-10-14 02:31:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:31,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:32,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:32,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:32,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 02:31:32,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:31:32,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-14 02:31:32,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:32,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 02:31:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:31:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:32,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:32,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:32,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:32,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:32,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:32,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:31:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:32,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:32,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:32,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:32,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 02:31:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 02:31:32,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:32,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 02:31:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:31:33,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158164498] [2020-10-14 02:31:33,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:33,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:31:33,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911997511] [2020-10-14 02:31:33,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:31:33,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:33,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:31:33,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:31:33,059 INFO L87 Difference]: Start difference. First operand 586 states and 783 transitions. Second operand 5 states. [2020-10-14 02:31:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:34,247 INFO L93 Difference]: Finished difference Result 1752 states and 2386 transitions. [2020-10-14 02:31:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:31:34,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-14 02:31:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:34,261 INFO L225 Difference]: With dead ends: 1752 [2020-10-14 02:31:34,261 INFO L226 Difference]: Without dead ends: 1172 [2020-10-14 02:31:34,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:31:34,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-10-14 02:31:34,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1168. [2020-10-14 02:31:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-10-14 02:31:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1437 transitions. [2020-10-14 02:31:34,327 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1437 transitions. Word has length 125 [2020-10-14 02:31:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:34,328 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1437 transitions. [2020-10-14 02:31:34,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:31:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1437 transitions. [2020-10-14 02:31:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 02:31:34,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:34,336 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:34,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:31:34,336 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:34,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:34,337 INFO L82 PathProgramCache]: Analyzing trace with hash 561580173, now seen corresponding path program 1 times [2020-10-14 02:31:34,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:34,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337151842] [2020-10-14 02:31:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:34,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:35,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:36,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:36,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 02:31:36,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:36,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1828 [2020-10-14 02:31:36,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:36,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:36,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 02:31:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:31:36,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:36,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:36,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:36,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:36,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:31:36,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:36,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:36,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:36,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:36,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:31:36,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:36,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 02:31:36,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:36,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:31:36,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 02:31:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:36,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:36,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:36,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:31:36,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 02:31:36,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:36,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:31:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:36,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337151842] [2020-10-14 02:31:36,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:36,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:36,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560397586] [2020-10-14 02:31:36,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:36,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:36,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:36,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:36,633 INFO L87 Difference]: Start difference. First operand 1168 states and 1437 transitions. Second operand 7 states. [2020-10-14 02:31:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:37,930 INFO L93 Difference]: Finished difference Result 2946 states and 3791 transitions. [2020-10-14 02:31:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:31:37,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-10-14 02:31:37,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:37,951 INFO L225 Difference]: With dead ends: 2946 [2020-10-14 02:31:37,951 INFO L226 Difference]: Without dead ends: 1784 [2020-10-14 02:31:37,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:31:37,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-14 02:31:38,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1772. [2020-10-14 02:31:38,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1772 states. [2020-10-14 02:31:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 2254 transitions. [2020-10-14 02:31:38,034 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 2254 transitions. Word has length 196 [2020-10-14 02:31:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:38,035 INFO L479 AbstractCegarLoop]: Abstraction has 1772 states and 2254 transitions. [2020-10-14 02:31:38,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2254 transitions. [2020-10-14 02:31:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 02:31:38,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:38,041 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:31:38,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:31:38,042 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:38,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:38,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1125636405, now seen corresponding path program 1 times [2020-10-14 02:31:38,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:38,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125192059] [2020-10-14 02:31:38,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:38,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:38,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:39,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:39,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 02:31:39,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:31:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1683 [2020-10-14 02:31:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:39,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 02:31:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 02:31:39,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:39,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:39,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:39,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:39,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:31:39,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:39,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:39,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:39,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:39,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:39,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 02:31:39,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:39,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 02:31:39,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:39,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 02:31:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:31:39,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 02:31:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:39,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:40,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:40,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:31:40,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:40,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 02:31:40,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:40,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 02:31:40,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:31:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:40,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125192059] [2020-10-14 02:31:40,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:40,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:40,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982155816] [2020-10-14 02:31:40,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:40,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:40,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:40,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:40,262 INFO L87 Difference]: Start difference. First operand 1772 states and 2254 transitions. Second operand 7 states. [2020-10-14 02:31:41,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:41,792 INFO L93 Difference]: Finished difference Result 4160 states and 5470 transitions. [2020-10-14 02:31:41,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:31:41,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-10-14 02:31:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:41,803 INFO L225 Difference]: With dead ends: 4160 [2020-10-14 02:31:41,803 INFO L226 Difference]: Without dead ends: 1812 [2020-10-14 02:31:41,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:31:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-10-14 02:31:41,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1641. [2020-10-14 02:31:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2020-10-14 02:31:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2033 transitions. [2020-10-14 02:31:41,874 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2033 transitions. Word has length 196 [2020-10-14 02:31:41,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:41,874 INFO L479 AbstractCegarLoop]: Abstraction has 1641 states and 2033 transitions. [2020-10-14 02:31:41,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2033 transitions. [2020-10-14 02:31:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 02:31:41,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:41,878 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:41,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:31:41,879 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:41,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:41,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1262960910, now seen corresponding path program 1 times [2020-10-14 02:31:41,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:41,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314308062] [2020-10-14 02:31:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:41,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:42,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:42,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 02:31:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:31:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-10-14 02:31:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:42,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 02:31:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 02:31:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:42,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:42,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:42,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:42,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:31:42,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:42,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:42,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:42,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:42,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:31:42,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 02:31:42,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:42,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:31:42,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 02:31:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:42,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:43,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:43,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:31:43,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:43,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 02:31:43,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:43,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 02:31:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:43,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314308062] [2020-10-14 02:31:43,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:43,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:43,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277096213] [2020-10-14 02:31:43,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:43,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:43,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:43,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:43,130 INFO L87 Difference]: Start difference. First operand 1641 states and 2033 transitions. Second operand 7 states. [2020-10-14 02:31:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:45,056 INFO L93 Difference]: Finished difference Result 3866 states and 4810 transitions. [2020-10-14 02:31:45,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:31:45,057 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-10-14 02:31:45,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:45,072 INFO L225 Difference]: With dead ends: 3866 [2020-10-14 02:31:45,072 INFO L226 Difference]: Without dead ends: 2084 [2020-10-14 02:31:45,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:31:45,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2020-10-14 02:31:45,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1643. [2020-10-14 02:31:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-10-14 02:31:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1895 transitions. [2020-10-14 02:31:45,149 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1895 transitions. Word has length 199 [2020-10-14 02:31:45,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:45,150 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1895 transitions. [2020-10-14 02:31:45,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:45,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1895 transitions. [2020-10-14 02:31:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 02:31:45,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:45,157 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:31:45,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:31:45,158 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:45,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:45,159 INFO L82 PathProgramCache]: Analyzing trace with hash 876056748, now seen corresponding path program 1 times [2020-10-14 02:31:45,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:45,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910997276] [2020-10-14 02:31:45,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:45,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:45,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:45,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:47,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 02:31:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:31:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3930 [2020-10-14 02:31:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:49,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:31:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:31:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:49,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:49,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:49,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:49,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:49,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:49,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:31:49,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:49,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:49,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:49,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:49,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:49,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:49,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:31:49,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:49,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 02:31:49,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:49,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:31:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:31:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 02:31:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:49,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:49,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:49,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:31:49,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 02:31:49,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:49,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:31:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:49,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910997276] [2020-10-14 02:31:49,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:49,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:49,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934483107] [2020-10-14 02:31:49,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:49,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:49,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:49,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:49,504 INFO L87 Difference]: Start difference. First operand 1643 states and 1895 transitions. Second operand 7 states. [2020-10-14 02:31:50,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:50,798 INFO L93 Difference]: Finished difference Result 3586 states and 4169 transitions. [2020-10-14 02:31:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:31:50,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-10-14 02:31:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:50,807 INFO L225 Difference]: With dead ends: 3586 [2020-10-14 02:31:50,807 INFO L226 Difference]: Without dead ends: 1949 [2020-10-14 02:31:50,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:31:50,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2020-10-14 02:31:50,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1939. [2020-10-14 02:31:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2020-10-14 02:31:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2240 transitions. [2020-10-14 02:31:50,865 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2240 transitions. Word has length 203 [2020-10-14 02:31:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:50,866 INFO L479 AbstractCegarLoop]: Abstraction has 1939 states and 2240 transitions. [2020-10-14 02:31:50,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2240 transitions. [2020-10-14 02:31:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 02:31:50,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:50,871 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:31:50,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:31:50,871 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:50,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:50,872 INFO L82 PathProgramCache]: Analyzing trace with hash 973289144, now seen corresponding path program 1 times [2020-10-14 02:31:50,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:50,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293300008] [2020-10-14 02:31:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:50,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:51,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:53,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:55,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:55,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 02:31:55,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:31:55,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4422 [2020-10-14 02:31:55,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:55,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 02:31:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:31:55,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:31:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:55,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:55,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:31:55,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:55,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:31:55,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:55,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:31:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:31:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:55,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:31:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:55,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:55,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:55,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 02:31:55,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:55,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 02:31:55,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:55,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:31:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:31:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 02:31:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:55,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 02:31:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:55,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:55,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:31:55,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:31:55,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:31:55,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 02:31:55,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:31:55,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:31:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:31:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:31:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:31:55,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:31:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:31:55,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293300008] [2020-10-14 02:31:55,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:31:55,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:31:55,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339755562] [2020-10-14 02:31:55,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:31:55,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:31:55,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:31:55,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:31:55,974 INFO L87 Difference]: Start difference. First operand 1939 states and 2240 transitions. Second operand 7 states. [2020-10-14 02:31:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:31:57,560 INFO L93 Difference]: Finished difference Result 4758 states and 5626 transitions. [2020-10-14 02:31:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:31:57,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-14 02:31:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:31:57,577 INFO L225 Difference]: With dead ends: 4758 [2020-10-14 02:31:57,577 INFO L226 Difference]: Without dead ends: 2825 [2020-10-14 02:31:57,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 02:31:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2825 states. [2020-10-14 02:31:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2825 to 2674. [2020-10-14 02:31:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-10-14 02:31:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3106 transitions. [2020-10-14 02:31:57,682 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3106 transitions. Word has length 213 [2020-10-14 02:31:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:31:57,683 INFO L479 AbstractCegarLoop]: Abstraction has 2674 states and 3106 transitions. [2020-10-14 02:31:57,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:31:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3106 transitions. [2020-10-14 02:31:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 02:31:57,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:31:57,688 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:31:57,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:31:57,689 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:31:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:31:57,689 INFO L82 PathProgramCache]: Analyzing trace with hash 590569913, now seen corresponding path program 1 times [2020-10-14 02:31:57,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:31:57,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776924609] [2020-10-14 02:31:57,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:31:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:31:57,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:57,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:57,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:31:58,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:02,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:02,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 02:32:02,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:32:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4715 [2020-10-14 02:32:02,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:02,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 02:32:02,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:32:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:02,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:02,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:02,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:02,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:32:02,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:02,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:02,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:02,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:02,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:02,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 02:32:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:02,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 02:32:02,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:02,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 02:32:02,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:02,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 02:32:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:02,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:02,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:32:02,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:02,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 02:32:02,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:02,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:32:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:32:02,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776924609] [2020-10-14 02:32:02,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:02,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:32:02,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217398987] [2020-10-14 02:32:02,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:32:02,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:02,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:32:02,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:32:02,989 INFO L87 Difference]: Start difference. First operand 2674 states and 3106 transitions. Second operand 7 states. [2020-10-14 02:32:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:04,612 INFO L93 Difference]: Finished difference Result 6357 states and 7482 transitions. [2020-10-14 02:32:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:32:04,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-14 02:32:04,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:04,635 INFO L225 Difference]: With dead ends: 6357 [2020-10-14 02:32:04,635 INFO L226 Difference]: Without dead ends: 3689 [2020-10-14 02:32:04,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:32:04,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2020-10-14 02:32:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3254. [2020-10-14 02:32:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3254 states. [2020-10-14 02:32:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 3841 transitions. [2020-10-14 02:32:04,734 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 3841 transitions. Word has length 222 [2020-10-14 02:32:04,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:04,735 INFO L479 AbstractCegarLoop]: Abstraction has 3254 states and 3841 transitions. [2020-10-14 02:32:04,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:32:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3841 transitions. [2020-10-14 02:32:04,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-14 02:32:04,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:04,743 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:32:04,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:32:04,744 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:04,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:04,744 INFO L82 PathProgramCache]: Analyzing trace with hash -2020376709, now seen corresponding path program 1 times [2020-10-14 02:32:04,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:04,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809624456] [2020-10-14 02:32:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:05,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:05,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-14 02:32:05,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:05,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-14 02:32:05,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:05,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 02:32:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:32:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:05,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:05,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:05,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:32:05,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:05,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:05,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:05,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:05,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:05,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 02:32:05,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 02:32:05,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:05,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:05,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:05,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:05,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 02:32:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:05,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:05,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:05,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:32:05,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 02:32:05,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:05,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 02:32:05,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-14 02:32:05,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809624456] [2020-10-14 02:32:05,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:05,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:05,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421076251] [2020-10-14 02:32:05,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:05,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:05,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:05,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:05,506 INFO L87 Difference]: Start difference. First operand 3254 states and 3841 transitions. Second operand 5 states. [2020-10-14 02:32:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:06,541 INFO L93 Difference]: Finished difference Result 6937 states and 8259 transitions. [2020-10-14 02:32:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:06,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-10-14 02:32:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:06,558 INFO L225 Difference]: With dead ends: 6937 [2020-10-14 02:32:06,559 INFO L226 Difference]: Without dead ends: 3689 [2020-10-14 02:32:06,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:06,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2020-10-14 02:32:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3540. [2020-10-14 02:32:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2020-10-14 02:32:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4105 transitions. [2020-10-14 02:32:06,655 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4105 transitions. Word has length 244 [2020-10-14 02:32:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:06,656 INFO L479 AbstractCegarLoop]: Abstraction has 3540 states and 4105 transitions. [2020-10-14 02:32:06,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4105 transitions. [2020-10-14 02:32:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-14 02:32:06,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:06,666 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:06,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:32:06,667 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:06,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:06,667 INFO L82 PathProgramCache]: Analyzing trace with hash -132698291, now seen corresponding path program 1 times [2020-10-14 02:32:06,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:06,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012536677] [2020-10-14 02:32:06,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:11,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:11,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:11,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-10-14 02:32:11,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:32:11,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 02:32:11,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:11,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-14 02:32:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:32:11,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:11,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:11,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:11,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:11,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:11,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:32:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:11,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:11,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:11,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 02:32:11,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:11,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 02:32:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:11,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 02:32:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:11,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:11,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:11,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:32:11,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 02:32:11,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:11,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 02:32:11,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:11,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 02:32:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:11,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:12,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:12,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:32:12,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:12,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 02:32:12,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:12,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:32:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 02:32:12,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012536677] [2020-10-14 02:32:12,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:12,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:32:12,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996256540] [2020-10-14 02:32:12,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:32:12,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:12,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:32:12,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:32:12,175 INFO L87 Difference]: Start difference. First operand 3540 states and 4105 transitions. Second operand 7 states. [2020-10-14 02:32:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:13,660 INFO L93 Difference]: Finished difference Result 7797 states and 9068 transitions. [2020-10-14 02:32:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:32:13,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 323 [2020-10-14 02:32:13,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:13,678 INFO L225 Difference]: With dead ends: 7797 [2020-10-14 02:32:13,679 INFO L226 Difference]: Without dead ends: 4263 [2020-10-14 02:32:13,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:32:13,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2020-10-14 02:32:13,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3689. [2020-10-14 02:32:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3689 states. [2020-10-14 02:32:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4272 transitions. [2020-10-14 02:32:13,782 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4272 transitions. Word has length 323 [2020-10-14 02:32:13,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:13,783 INFO L479 AbstractCegarLoop]: Abstraction has 3689 states and 4272 transitions. [2020-10-14 02:32:13,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:32:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4272 transitions. [2020-10-14 02:32:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 02:32:13,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:13,797 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:13,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:32:13,798 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash -499997420, now seen corresponding path program 1 times [2020-10-14 02:32:13,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:13,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753502855] [2020-10-14 02:32:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:13,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:14,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:14,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:17,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:18,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:18,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-14 02:32:18,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:32:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 02:32:18,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:18,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 246 [2020-10-14 02:32:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:32:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:18,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:18,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:18,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:18,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:18,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:32:18,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:18,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:18,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:18,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:18,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 02:32:18,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 02:32:18,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:18,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:19,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 02:32:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:19,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 02:32:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-14 02:32:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:19,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:19,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:19,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:32:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:32:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 02:32:19,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753502855] [2020-10-14 02:32:19,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:19,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:32:19,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055479300] [2020-10-14 02:32:19,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:32:19,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:19,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:32:19,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:32:19,317 INFO L87 Difference]: Start difference. First operand 3689 states and 4272 transitions. Second operand 7 states. [2020-10-14 02:32:20,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:20,724 INFO L93 Difference]: Finished difference Result 7954 states and 9250 transitions. [2020-10-14 02:32:20,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:32:20,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2020-10-14 02:32:20,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:20,742 INFO L225 Difference]: With dead ends: 7954 [2020-10-14 02:32:20,742 INFO L226 Difference]: Without dead ends: 4271 [2020-10-14 02:32:20,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:32:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2020-10-14 02:32:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 3979. [2020-10-14 02:32:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3979 states. [2020-10-14 02:32:20,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 4615 transitions. [2020-10-14 02:32:20,860 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 4615 transitions. Word has length 360 [2020-10-14 02:32:20,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:20,861 INFO L479 AbstractCegarLoop]: Abstraction has 3979 states and 4615 transitions. [2020-10-14 02:32:20,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:32:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 4615 transitions. [2020-10-14 02:32:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-10-14 02:32:20,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:20,875 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:20,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:32:20,876 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:20,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:20,876 INFO L82 PathProgramCache]: Analyzing trace with hash -932498934, now seen corresponding path program 1 times [2020-10-14 02:32:20,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:20,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857339878] [2020-10-14 02:32:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:21,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:21,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:21,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 398 [2020-10-14 02:32:21,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:21,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 744 [2020-10-14 02:32:21,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:21,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 02:32:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:32:21,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:21,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:21,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:21,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:21,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:21,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:21,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:21,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:21,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:21,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:32:21,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 02:32:21,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:21,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:21,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 02:32:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:21,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:21,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:21,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 02:32:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 02:32:21,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:21,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:21,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 02:32:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:21,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:21,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:32:21,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:21,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 02:32:21,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:21,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:21,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 02:32:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 114 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 02:32:22,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857339878] [2020-10-14 02:32:22,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:22,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:22,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318844677] [2020-10-14 02:32:22,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:22,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:22,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:22,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:22,066 INFO L87 Difference]: Start difference. First operand 3979 states and 4615 transitions. Second operand 5 states. [2020-10-14 02:32:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:23,128 INFO L93 Difference]: Finished difference Result 8099 states and 9393 transitions. [2020-10-14 02:32:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:23,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 384 [2020-10-14 02:32:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:23,131 INFO L225 Difference]: With dead ends: 8099 [2020-10-14 02:32:23,131 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:32:23,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:32:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:32:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:32:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:32:23,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 384 [2020-10-14 02:32:23,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:23,152 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:32:23,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:32:23,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:32:23,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:32:23,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:32:23,990 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 110 [2020-10-14 02:32:24,454 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 110 [2020-10-14 02:32:25,286 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 54 [2020-10-14 02:32:25,842 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 43 [2020-10-14 02:32:26,410 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 43 [2020-10-14 02:32:26,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:32:26,416 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)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 02:32:26,416 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:32:26,416 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 02:32:26,416 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,417 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,417 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,417 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,417 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,417 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 02:32:26,418 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,419 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 02:32:26,420 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 02:32:26,421 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 02:32:26,422 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,423 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 02:32:26,424 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,425 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 02:32:26,426 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,427 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 02:32:26,428 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,429 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 02:32:26,430 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,431 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 02:32:26,432 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 02:32:26,433 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 02:32:26,433 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 02:32:26,433 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 02:32:26,433 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 02:32:26,433 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 02:32:26,433 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (not (= 7 |old(~a19~0)|))) (.cse0 (not (<= |old(~a10~0)| 0))) (.cse3 (not (= 9 |old(~a19~0)|))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse5 (not (<= 219 |old(~a1~0)|))) (.cse2 (not (= 8 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= (+ |old(~a1~0)| 75821) 0))) (or (not (<= 10 |old(~a19~0)|)) .cse1) (or .cse1 (not (<= 2 |old(~a10~0)|))) (or (not (<= |old(~a1~0)| 207)) .cse1 .cse3) (or .cse1 (not (<= |old(~a1~0)| 150)) .cse4) (or .cse1 .cse5 .cse4) (or .cse0 .cse3 .cse1) (or .cse3 .cse5 .cse1) (or .cse1 .cse5 .cse2))) [2020-10-14 02:32:26,433 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 02:32:26,434 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 02:32:26,435 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 02:32:26,436 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 02:32:26,437 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 02:32:26,438 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 02:32:26,439 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 02:32:26,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:32:26,440 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 32)) [2020-10-14 02:32:26,440 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:32:26,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:32:26,440 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 32))) [2020-10-14 02:32:26,440 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:32:26,440 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (= ~a19~0 8)) (.cse3 (= 7 ~a19~0)) (.cse2 (<= 219 ~a1~0)) (.cse0 (<= ~a10~0 0)) (.cse4 (= ~a19~0 9))) (or (and .cse0 (<= (+ ~a1~0 75821) 0)) (and .cse1 .cse2) (<= 10 ~a19~0) (and .cse3 (<= ~a1~0 150)) (not (<= |old(~a1~0)| 32)) (<= 2 ~a10~0) (and .cse1 .cse0) (and .cse3 .cse2) (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 207) .cse4) (and .cse4 .cse2) (and .cse0 .cse4))) [2020-10-14 02:32:26,441 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 02:32:26,441 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 02:32:26,441 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (= ~a19~0 8)) (.cse3 (= 7 ~a19~0)) (.cse2 (<= 219 ~a1~0)) (.cse0 (<= ~a10~0 0)) (.cse4 (= ~a19~0 9))) (or (and .cse0 (<= (+ ~a1~0 75821) 0)) (and .cse1 .cse2) (<= 10 ~a19~0) (and .cse3 (<= ~a1~0 150)) (not (<= |old(~a1~0)| 32)) (<= 2 ~a10~0) (and .cse1 .cse0) (and .cse3 .cse2) (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 207) .cse4) (and .cse4 .cse2) (and .cse0 .cse4))) [2020-10-14 02:32:26,441 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:32:26,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:32:26 BoogieIcfgContainer [2020-10-14 02:32:26,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:32:26,470 INFO L168 Benchmark]: Toolchain (without parser) took 62502.24 ms. Allocated memory was 145.2 MB in the beginning and 1.1 GB in the end (delta: 927.5 MB). Free memory was 99.2 MB in the beginning and 879.5 MB in the end (delta: -780.3 MB). Peak memory consumption was 899.9 MB. Max. memory is 7.1 GB. [2020-10-14 02:32:26,470 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 118.5 MB in the beginning and 118.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 02:32:26,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.80 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 98.8 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-10-14 02:32:26,472 INFO L168 Benchmark]: Boogie Preprocessor took 116.80 ms. Allocated memory is still 203.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-14 02:32:26,472 INFO L168 Benchmark]: RCFGBuilder took 1372.78 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 181.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-10-14 02:32:26,473 INFO L168 Benchmark]: TraceAbstraction took 60260.48 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 836.8 MB). Free memory was 181.5 MB in the beginning and 879.5 MB in the end (delta: -698.0 MB). Peak memory consumption was 891.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:32:26,477 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 118.5 MB in the beginning and 118.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.80 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 98.8 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.80 ms. Allocated memory is still 203.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1372.78 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 181.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60260.48 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 836.8 MB). Free memory was 181.5 MB in the beginning and 879.5 MB in the end (delta: -698.0 MB). Peak memory consumption was 891.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((a10 <= 0 && a1 + 75821 <= 0) || (a19 == 8 && 219 <= a1)) || 10 <= a19) || (7 == a19 && a1 <= 150)) || !(\old(a1) <= 32)) || 2 <= a10) || (a19 == 8 && a10 <= 0)) || (7 == a19 && 219 <= a1)) || !(\old(a10) <= 0)) || !(9 == \old(a19))) || (a1 <= 207 && a19 == 9)) || (a19 == 9 && 219 <= a1)) || (a10 <= 0 && a19 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.8s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 5416 SDslu, 359 SDs, 0 SdLazy, 10657 SolverSat, 1521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3979occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 2255 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 286 NumberOfFragments, 404 HoareAnnotationTreeSize, 218 FomulaSimplifications, 877015 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 50251 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 35.5s InterpolantComputationTime, 2825 NumberOfCodeBlocks, 2825 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2812 ConstructedInterpolants, 0 QuantifiedInterpolants, 1301105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 2246/2269 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...