/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:06:51,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:06:51,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:06:51,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:06:51,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:06:51,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:06:51,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:06:51,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:06:51,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:06:51,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:06:51,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:06:51,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:06:51,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:06:51,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:06:51,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:06:51,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:06:51,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:06:51,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:06:51,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:06:51,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:06:51,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:06:51,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:06:51,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:06:51,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:06:51,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:06:51,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:06:51,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:06:51,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:06:51,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:06:51,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:06:51,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:06:51,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:06:51,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:06:51,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:06:51,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:06:51,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:06:51,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:06:51,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:06:51,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:06:51,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:06:51,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:06:51,685 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 19:06:51,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:06:51,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:06:51,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:06:51,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:06:51,714 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:06:51,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:06:51,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:06:51,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:06:51,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:06:51,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:06:51,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:06:51,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:06:51,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:06:51,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:06:51,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:06:51,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:06:51,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:06:51,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:06:51,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:06:51,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:06:51,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:06:51,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:06:51,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:06:51,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:06:51,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:06:51,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:06:51,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:06:51,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:06:51,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:06:51,719 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:06:52,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:06:52,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:06:52,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:06:52,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:06:52,017 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:06:52,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-10-14 19:06:52,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4be2189c/e7fa64d7f7a14393a667658f52e9bfe0/FLAG5a21e7523 [2020-10-14 19:06:52,618 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:06:52,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-10-14 19:06:52,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4be2189c/e7fa64d7f7a14393a667658f52e9bfe0/FLAG5a21e7523 [2020-10-14 19:06:52,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4be2189c/e7fa64d7f7a14393a667658f52e9bfe0 [2020-10-14 19:06:52,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:06:52,908 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:06:52,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:06:52,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:06:52,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:06:52,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:06:52" (1/1) ... [2020-10-14 19:06:52,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed69f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:52, skipping insertion in model container [2020-10-14 19:06:52,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:06:52" (1/1) ... [2020-10-14 19:06:52,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:06:52,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:06:53,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:06:53,463 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:06:53,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:06:53,585 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:06:53,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53 WrapperNode [2020-10-14 19:06:53,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:06:53,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:06:53,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:06:53,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:06:53,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (1/1) ... [2020-10-14 19:06:53,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:06:53,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:06:53,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:06:53,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:06:53,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (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 19:06:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:06:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:06:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:06:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:06:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:06:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:06:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:06:54,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:06:54,861 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:06:54,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:06:54 BoogieIcfgContainer [2020-10-14 19:06:54,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:06:54,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:06:54,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:06:54,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:06:54,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:06:52" (1/3) ... [2020-10-14 19:06:54,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1babf9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:06:54, skipping insertion in model container [2020-10-14 19:06:54,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:06:53" (2/3) ... [2020-10-14 19:06:54,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1babf9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:06:54, skipping insertion in model container [2020-10-14 19:06:54,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:06:54" (3/3) ... [2020-10-14 19:06:54,876 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2020-10-14 19:06:54,886 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:06:54,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:06:54,907 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:06:54,933 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:06:54,933 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:06:54,933 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:06:54,934 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:06:54,934 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:06:54,934 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:06:54,934 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:06:54,935 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:06:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 19:06:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-14 19:06:54,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:54,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:06:54,976 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:54,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:54,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2020-10-14 19:06:54,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:54,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374955917] [2020-10-14 19:06:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:55,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:55,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:56,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:56,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 19:06:56,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1623 [2020-10-14 19:06:56,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:56,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:56,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:06:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:06:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 19:06:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:06:57,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:57,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:57,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:57,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:57,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 19:06:57,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:57,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:06:57,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:57,195 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 19:06:57,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374955917] [2020-10-14 19:06:57,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:06:57,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:06:57,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405944899] [2020-10-14 19:06:57,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:06:57,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:57,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:06:57,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:06:57,222 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-10-14 19:06:58,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:58,735 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-10-14 19:06:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:06:58,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-10-14 19:06:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:58,758 INFO L225 Difference]: With dead ends: 627 [2020-10-14 19:06:58,758 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 19:06:58,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:06:58,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 19:06:58,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-10-14 19:06:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-14 19:06:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 465 transitions. [2020-10-14 19:06:58,854 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 465 transitions. Word has length 142 [2020-10-14 19:06:58,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:58,855 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 465 transitions. [2020-10-14 19:06:58,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:06:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 465 transitions. [2020-10-14 19:06:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 19:06:58,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:58,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:06:58,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:06:58,862 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:58,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1005880998, now seen corresponding path program 1 times [2020-10-14 19:06:58,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:58,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993160998] [2020-10-14 19:06:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:58,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:59,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:00,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 19:07:00,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:07:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1706 [2020-10-14 19:07:00,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:00,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:07:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 19:07:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:00,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:00,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:00,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:07:00,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:00,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:00,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:00,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:00,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:00,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:00,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:07:00,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:00,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:00,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:00,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 19:07:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:00,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993160998] [2020-10-14 19:07:00,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:00,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:00,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860957515] [2020-10-14 19:07:00,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:00,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:00,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:00,843 INFO L87 Difference]: Start difference. First operand 319 states and 465 transitions. Second operand 5 states. [2020-10-14 19:07:01,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:01,932 INFO L93 Difference]: Finished difference Result 934 states and 1377 transitions. [2020-10-14 19:07:01,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:01,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-14 19:07:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:01,937 INFO L225 Difference]: With dead ends: 934 [2020-10-14 19:07:01,937 INFO L226 Difference]: Without dead ends: 470 [2020-10-14 19:07:01,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:01,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-10-14 19:07:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 466. [2020-10-14 19:07:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-14 19:07:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 601 transitions. [2020-10-14 19:07:01,979 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 601 transitions. Word has length 164 [2020-10-14 19:07:01,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:01,979 INFO L479 AbstractCegarLoop]: Abstraction has 466 states and 601 transitions. [2020-10-14 19:07:01,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 601 transitions. [2020-10-14 19:07:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-14 19:07:01,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:01,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:01,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:07:01,984 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:01,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:01,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1167575899, now seen corresponding path program 1 times [2020-10-14 19:07:01,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:01,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938718400] [2020-10-14 19:07:01,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:02,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:03,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:05,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:05,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:05,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-14 19:07:05,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:07:05,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3560 [2020-10-14 19:07:05,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:05,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 19:07:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 19:07:05,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:05,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:05,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:05,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:05,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:05,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:07:05,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:05,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:05,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:05,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:05,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:05,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:05,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:05,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:05,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:05,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:05,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:07:05,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:05,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:05,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 19:07:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:05,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:05,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:07:05,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:07:05,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:05,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 19:07:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 19:07:05,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938718400] [2020-10-14 19:07:05,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:05,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:05,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410399020] [2020-10-14 19:07:05,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:05,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:05,801 INFO L87 Difference]: Start difference. First operand 466 states and 601 transitions. Second operand 5 states. [2020-10-14 19:07:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:07,016 INFO L93 Difference]: Finished difference Result 1382 states and 1829 transitions. [2020-10-14 19:07:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:07,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2020-10-14 19:07:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:07,022 INFO L225 Difference]: With dead ends: 1382 [2020-10-14 19:07:07,022 INFO L226 Difference]: Without dead ends: 921 [2020-10-14 19:07:07,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:07,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-14 19:07:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 909. [2020-10-14 19:07:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-14 19:07:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1148 transitions. [2020-10-14 19:07:07,053 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1148 transitions. Word has length 179 [2020-10-14 19:07:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:07,054 INFO L479 AbstractCegarLoop]: Abstraction has 909 states and 1148 transitions. [2020-10-14 19:07:07,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1148 transitions. [2020-10-14 19:07:07,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 19:07:07,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:07,059 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:07,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:07:07,060 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:07,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1361243114, now seen corresponding path program 1 times [2020-10-14 19:07:07,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:07,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899752195] [2020-10-14 19:07:07,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:07,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:07,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:07,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:09,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:11,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:11,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 19:07:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:07:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3923 [2020-10-14 19:07:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:11,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:07:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:07:11,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 19:07:11,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:11,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:11,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:11,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:11,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:07:11,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:11,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:11,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:11,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:11,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:11,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:11,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:07:11,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:11,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 19:07:11,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 19:07:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:11,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:11,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:11,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:11,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 19:07:11,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 19:07:11,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:11,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:07:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 19:07:11,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 36 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 19:07:11,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899752195] [2020-10-14 19:07:11,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:11,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:07:11,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142381904] [2020-10-14 19:07:11,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:07:11,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:11,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:07:11,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:11,435 INFO L87 Difference]: Start difference. First operand 909 states and 1148 transitions. Second operand 6 states. [2020-10-14 19:07:12,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:12,908 INFO L93 Difference]: Finished difference Result 2735 states and 3603 transitions. [2020-10-14 19:07:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:07:12,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2020-10-14 19:07:12,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:12,919 INFO L225 Difference]: With dead ends: 2735 [2020-10-14 19:07:12,919 INFO L226 Difference]: Without dead ends: 1832 [2020-10-14 19:07:12,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:07:12,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2020-10-14 19:07:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1799. [2020-10-14 19:07:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2020-10-14 19:07:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2276 transitions. [2020-10-14 19:07:12,997 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2276 transitions. Word has length 206 [2020-10-14 19:07:12,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:12,997 INFO L479 AbstractCegarLoop]: Abstraction has 1799 states and 2276 transitions. [2020-10-14 19:07:12,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:07:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2276 transitions. [2020-10-14 19:07:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-14 19:07:13,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:13,020 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:13,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:07:13,021 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:13,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:13,021 INFO L82 PathProgramCache]: Analyzing trace with hash -979054397, now seen corresponding path program 1 times [2020-10-14 19:07:13,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:13,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132527836] [2020-10-14 19:07:13,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:13,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:13,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:18,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:18,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 19:07:18,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:07:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 19:07:18,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:18,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-14 19:07:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 19:07:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:18,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:18,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:18,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:18,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:18,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:18,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:07:18,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:18,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:18,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:18,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:18,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 19:07:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 19:07:18,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:18,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 19:07:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:18,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:18,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 19:07:18,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:18,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 19:07:18,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:18,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 19:07:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-14 19:07:18,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132527836] [2020-10-14 19:07:18,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:18,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:18,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062546178] [2020-10-14 19:07:18,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:18,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:18,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:18,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:18,725 INFO L87 Difference]: Start difference. First operand 1799 states and 2276 transitions. Second operand 5 states. [2020-10-14 19:07:19,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:19,917 INFO L93 Difference]: Finished difference Result 3557 states and 4545 transitions. [2020-10-14 19:07:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:19,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 254 [2020-10-14 19:07:19,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:19,919 INFO L225 Difference]: With dead ends: 3557 [2020-10-14 19:07:19,919 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:07:19,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:07:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:07:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:07:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:07:19,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2020-10-14 19:07:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:19,930 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:07:19,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:07:19,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:07:19,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:07:19,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:07:20,232 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2020-10-14 19:07:20,776 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-10-14 19:07:20,914 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:07:20,914 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,915 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 19:07:20,916 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 19:07:20,916 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 19:07:20,916 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 19:07:20,917 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 19:07:20,918 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,919 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 19:07:20,919 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 19:07:20,919 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 19:07:20,919 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 19:07:20,919 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 19:07:20,920 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 19:07:20,920 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 19:07:20,920 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 19:07:20,920 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 19:07:20,920 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 19:07:20,921 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 19:07:20,921 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 19:07:20,922 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 19:07:20,922 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 19:07:20,922 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 19:07:20,922 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,924 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,924 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,924 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,924 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 19:07:20,925 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,926 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 19:07:20,927 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 19:07:20,928 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 19:07:20,928 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 19:07:20,929 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 19:07:20,930 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 19:07:20,930 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,930 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,930 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,930 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,930 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 19:07:20,931 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,932 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,933 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 19:07:20,934 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 19:07:20,935 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,936 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 19:07:20,937 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,938 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 19:07:20,939 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,940 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,943 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (and (or (and .cse0 .cse1 .cse2 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|))) (or (not (= |old(~a25~0)| 1)) (and .cse0 .cse4 .cse1 (= ~a25~0 1) .cse3)) (or (and .cse0 .cse4 .cse1 .cse2 .cse3) (not (= |old(~a11~0)| 1))) (or (not (= |old(~a19~0)| |old(~a25~0)|)) (and .cse0 .cse4 .cse1 (= ~a25~0 ~a19~0) .cse3)) (or (not (<= |old(~a19~0)| 1)) (and (<= 7 ~a17~0) .cse1 .cse2 (<= ~a28~0 8) (<= 8 ~a28~0) (<= ~a17~0 7) .cse3) (not (<= |old(~a28~0)| 8)) (not (<= 7 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= 8 |old(~a28~0)|)) (not (<= |old(~a17~0)| 7)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))))) [2020-10-14 19:07:20,943 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,943 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 19:07:20,944 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,945 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 19:07:20,946 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 19:07:20,947 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 19:07:20,948 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 19:07:20,949 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:07:20,950 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a17~0 8) [2020-10-14 19:07:20,950 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:07:20,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:07:20,951 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|))) [2020-10-14 19:07:20,952 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (and (<= ~a11~0 0) (<= 7 ~a17~0) (= ~a21~0 1) (<= ~a28~0 8) (<= ~a19~0 1) (<= 8 ~a28~0) (<= ~a17~0 7) (<= 1 ~a19~0)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= ~a25~0 1) (= ~a11~0 1) (= ~a25~0 ~a19~0)) [2020-10-14 19:07:20,952 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 19:07:20,953 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 19:07:20,953 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (and (<= ~a11~0 0) (<= 7 ~a17~0) (= ~a21~0 1) (<= ~a28~0 8) (<= ~a19~0 1) (<= 8 ~a28~0) (<= ~a17~0 7) (<= 1 ~a19~0)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= ~a25~0 1) (= ~a11~0 1) (= ~a25~0 ~a19~0)) [2020-10-14 19:07:20,953 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 19:07:20,953 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 19:07:20,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:07:20 BoogieIcfgContainer [2020-10-14 19:07:20,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:07:20,988 INFO L168 Benchmark]: Toolchain (without parser) took 28079.60 ms. Allocated memory was 146.3 MB in the beginning and 731.9 MB in the end (delta: 585.6 MB). Free memory was 100.5 MB in the beginning and 449.6 MB in the end (delta: -349.1 MB). Peak memory consumption was 236.5 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:20,989 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 19:07:20,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.69 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 170.4 MB in the end (delta: -70.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:20,997 INFO L168 Benchmark]: Boogie Preprocessor took 111.82 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:20,999 INFO L168 Benchmark]: RCFGBuilder took 1164.66 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 180.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:21,000 INFO L168 Benchmark]: TraceAbstraction took 26116.25 ms. Allocated memory was 237.5 MB in the beginning and 731.9 MB in the end (delta: 494.4 MB). Free memory was 180.4 MB in the beginning and 449.6 MB in the end (delta: -269.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:21,012 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.69 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 170.4 MB in the end (delta: -70.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.82 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1164.66 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 180.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26116.25 ms. Allocated memory was 237.5 MB in the beginning and 731.9 MB in the end (delta: 494.4 MB). Free memory was 180.4 MB in the beginning and 449.6 MB in the end (delta: -269.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a11 <= 0 && 7 <= a17) && a21 == 1) && a28 <= 8) && a19 <= 1) && 8 <= a28) && a17 <= 7) && 1 <= a19) || a17 == 8) || !(8 == \old(a17))) || a25 == 1) || a11 == 1) || a25 == a19 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 1380 SDslu, 178 SDs, 0 SdLazy, 3626 SolverSat, 515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1799occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 46 PreInvPairs, 78 NumberOfFragments, 301 HoareAnnotationTreeSize, 46 FomulaSimplifications, 16336 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 829 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 945 NumberOfCodeBlocks, 945 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 940 ConstructedInterpolants, 0 QuantifiedInterpolants, 1267134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 247/291 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...