/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:50:27,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:50:27,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:50:27,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:50:27,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:50:27,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:50:27,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:50:27,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:50:27,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:50:27,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:50:27,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:50:27,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:50:27,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:50:27,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:50:27,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:50:27,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:50:27,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:50:27,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:50:27,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:50:27,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:50:27,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:50:27,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:50:27,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:50:27,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:50:27,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:50:27,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:50:27,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:50:27,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:50:27,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:50:27,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:50:27,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:50:27,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:50:27,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:50:27,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:50:27,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:50:27,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:50:27,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:50:27,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:50:27,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:50:27,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:50:27,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:50:27,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:50:27,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:50:27,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:50:27,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:50:27,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:50:27,699 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:50:27,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:50:27,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:50:27,701 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:50:27,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:50:27,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:50:27,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:50:27,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:50:27,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:50:27,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:50:27,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:50:27,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:50:27,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:50:27,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:50:27,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:50:27,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:50:27,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:50:27,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:50:27,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:50:27,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:50:28,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:50:28,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:50:28,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:50:28,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:50:28,053 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:50:28,054 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label24.c [2020-10-14 00:50:28,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc8230858/0112effd1fbf4599894b8bc29743272f/FLAG59ae6f28c [2020-10-14 00:50:28,759 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:50:28,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label24.c [2020-10-14 00:50:28,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc8230858/0112effd1fbf4599894b8bc29743272f/FLAG59ae6f28c [2020-10-14 00:50:28,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc8230858/0112effd1fbf4599894b8bc29743272f [2020-10-14 00:50:28,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:50:28,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:50:28,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:50:28,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:50:28,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:50:28,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:50:28" (1/1) ... [2020-10-14 00:50:28,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763ad0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:28, skipping insertion in model container [2020-10-14 00:50:28,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:50:28" (1/1) ... [2020-10-14 00:50:28,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:50:29,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:50:29,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:50:29,922 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:50:30,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:50:30,266 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:50:30,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30 WrapperNode [2020-10-14 00:50:30,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:50:30,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:50:30,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:50:30,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:50:30,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... [2020-10-14 00:50:30,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:50:30,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:50:30,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:50:30,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:50:30,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:50:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:50:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:50:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:50:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:50:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:50:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:50:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:50:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:50:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:50:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:50:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:50:32,530 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:50:32,530 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:50:32,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:50:32 BoogieIcfgContainer [2020-10-14 00:50:32,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:50:32,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:50:32,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:50:32,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:50:32,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:50:28" (1/3) ... [2020-10-14 00:50:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d0e853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:50:32, skipping insertion in model container [2020-10-14 00:50:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:30" (2/3) ... [2020-10-14 00:50:32,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d0e853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:50:32, skipping insertion in model container [2020-10-14 00:50:32,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:50:32" (3/3) ... [2020-10-14 00:50:32,547 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2020-10-14 00:50:32,558 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:50:32,566 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:50:32,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:50:32,614 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:50:32,615 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:50:32,615 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:50:32,615 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:50:32,615 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:50:32,615 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:50:32,616 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:50:32,616 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:50:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 00:50:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-14 00:50:32,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:50:32,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:50:32,697 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:50:32,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:50:32,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1879577704, now seen corresponding path program 1 times [2020-10-14 00:50:32,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:50:32,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511486098] [2020-10-14 00:50:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:50:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:33,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:34,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:37,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:37,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 00:50:37,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:50:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4287 [2020-10-14 00:50:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:37,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:50:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:50:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-14 00:50:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:50:37,840 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:50:37,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:50:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:37,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:37,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:50:37,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:50:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 00:50:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:37,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:50:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:50:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:50:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:50:38,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511486098] [2020-10-14 00:50:38,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:50:38,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:50:38,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916809861] [2020-10-14 00:50:38,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:50:38,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:50:38,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:50:38,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:50:38,089 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 00:50:38,310 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 00:50:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:50:41,107 INFO L93 Difference]: Finished difference Result 853 states and 1500 transitions. [2020-10-14 00:50:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:50:41,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 197 [2020-10-14 00:50:41,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:50:41,140 INFO L225 Difference]: With dead ends: 853 [2020-10-14 00:50:41,140 INFO L226 Difference]: Without dead ends: 465 [2020-10-14 00:50:41,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:50:41,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-14 00:50:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 460. [2020-10-14 00:50:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-14 00:50:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 648 transitions. [2020-10-14 00:50:41,236 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 648 transitions. Word has length 197 [2020-10-14 00:50:41,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:50:41,238 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 648 transitions. [2020-10-14 00:50:41,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:50:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 648 transitions. [2020-10-14 00:50:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-14 00:50:41,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:50:41,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:50:41,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:50:41,244 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:50:41,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:50:41,245 INFO L82 PathProgramCache]: Analyzing trace with hash 380333484, now seen corresponding path program 1 times [2020-10-14 00:50:41,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:50:41,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822695720] [2020-10-14 00:50:41,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:50:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:41,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:41,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:43,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:45,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:45,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 00:50:45,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:50:45,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3769 [2020-10-14 00:50:45,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:45,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:45,418 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:50:45,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:50:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:45,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:45,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:45,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:50:45,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:50:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:50:45,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:45,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:50:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:50:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:50:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:45,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:50:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:45,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:45,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:45,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:50:45,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:50:45,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 00:50:45,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:45,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:45,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:50:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:50:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:50:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:50:45,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822695720] [2020-10-14 00:50:45,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:50:45,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:50:45,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632050881] [2020-10-14 00:50:45,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:50:45,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:50:45,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:50:45,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:50:45,701 INFO L87 Difference]: Start difference. First operand 460 states and 648 transitions. Second operand 5 states. [2020-10-14 00:50:45,935 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:50:48,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:50:48,539 INFO L93 Difference]: Finished difference Result 1141 states and 1668 transitions. [2020-10-14 00:50:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:50:48,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-14 00:50:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:50:48,548 INFO L225 Difference]: With dead ends: 1141 [2020-10-14 00:50:48,548 INFO L226 Difference]: Without dead ends: 687 [2020-10-14 00:50:48,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:50:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-14 00:50:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 682. [2020-10-14 00:50:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-14 00:50:48,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 953 transitions. [2020-10-14 00:50:48,595 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 953 transitions. Word has length 209 [2020-10-14 00:50:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:50:48,596 INFO L479 AbstractCegarLoop]: Abstraction has 682 states and 953 transitions. [2020-10-14 00:50:48,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:50:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 953 transitions. [2020-10-14 00:50:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 00:50:48,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:50:48,601 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:50:48,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:50:48,602 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:50:48,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:50:48,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1651672949, now seen corresponding path program 1 times [2020-10-14 00:50:48,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:50:48,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074477916] [2020-10-14 00:50:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:50:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:51,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:51,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:52,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:53,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:53,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 00:50:53,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:50:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-14 00:50:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:53,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:50:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 00:50:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 00:50:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 66 [2020-10-14 00:50:54,089 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:50:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:50:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:54,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:50:54,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:50:54,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:50:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:54,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:50:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:50:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:50:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:54,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:50:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:54,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:54,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:54,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:50:54,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:50:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:50:54,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:54,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:50:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:50:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:50:54,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:54,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:50:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:54,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:50:54,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:50:54,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:50:54,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 00:50:54,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:50:54,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:50:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:50:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:50:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:50:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:50:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 00:50:54,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074477916] [2020-10-14 00:50:54,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:50:54,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:50:54,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165077748] [2020-10-14 00:50:54,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:50:54,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:50:54,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:50:54,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:50:54,312 INFO L87 Difference]: Start difference. First operand 682 states and 953 transitions. Second operand 5 states. [2020-10-14 00:50:54,497 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:50:56,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:50:56,919 INFO L93 Difference]: Finished difference Result 2002 states and 2837 transitions. [2020-10-14 00:50:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:50:56,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-10-14 00:50:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:50:56,932 INFO L225 Difference]: With dead ends: 2002 [2020-10-14 00:50:56,934 INFO L226 Difference]: Without dead ends: 1326 [2020-10-14 00:50:56,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:50:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-10-14 00:50:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1315. [2020-10-14 00:50:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2020-10-14 00:50:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1789 transitions. [2020-10-14 00:50:57,084 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1789 transitions. Word has length 219 [2020-10-14 00:50:57,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:50:57,084 INFO L479 AbstractCegarLoop]: Abstraction has 1315 states and 1789 transitions. [2020-10-14 00:50:57,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:50:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1789 transitions. [2020-10-14 00:50:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-14 00:50:57,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:50:57,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:50:57,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:50:57,093 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:50:57,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:50:57,094 INFO L82 PathProgramCache]: Analyzing trace with hash -2108904796, now seen corresponding path program 1 times [2020-10-14 00:50:57,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:50:57,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766080161] [2020-10-14 00:50:57,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:50:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:50:57,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:50:59,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:02,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:02,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-14 00:51:02,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:51:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 00:51:02,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:02,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 00:51:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 00:51:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:02,417 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:51:02,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:02,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:02,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:02,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:02,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:51:02,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:02,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:02,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:02,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:02,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:02,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:51:02,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:02,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:51:02,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:02,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:51:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:02,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:02,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:02,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:51:02,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 00:51:02,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:02,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:51:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:51:02,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766080161] [2020-10-14 00:51:02,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:02,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:51:02,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743442155] [2020-10-14 00:51:02,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:51:02,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:02,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:51:02,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:51:02,743 INFO L87 Difference]: Start difference. First operand 1315 states and 1789 transitions. Second operand 5 states. [2020-10-14 00:51:03,072 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:51:05,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:05,792 INFO L93 Difference]: Finished difference Result 3904 states and 5406 transitions. [2020-10-14 00:51:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:51:05,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2020-10-14 00:51:05,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:05,816 INFO L225 Difference]: With dead ends: 3904 [2020-10-14 00:51:05,816 INFO L226 Difference]: Without dead ends: 2595 [2020-10-14 00:51:05,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:51:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2020-10-14 00:51:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 2573. [2020-10-14 00:51:05,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2573 states. [2020-10-14 00:51:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3486 transitions. [2020-10-14 00:51:05,898 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3486 transitions. Word has length 223 [2020-10-14 00:51:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:05,898 INFO L479 AbstractCegarLoop]: Abstraction has 2573 states and 3486 transitions. [2020-10-14 00:51:05,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:51:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3486 transitions. [2020-10-14 00:51:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-14 00:51:05,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:05,908 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:05,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:51:05,909 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:05,909 INFO L82 PathProgramCache]: Analyzing trace with hash -33638444, now seen corresponding path program 1 times [2020-10-14 00:51:05,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:05,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095322811] [2020-10-14 00:51:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:05,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:06,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:06,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:10,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:10,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:10,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 00:51:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:51:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 00:51:10,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:10,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 00:51:10,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 00:51:10,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:11,183 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:51:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:11,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:11,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:11,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:51:11,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:11,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:11,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:11,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:11,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:11,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:51:11,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:51:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:11,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:11,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:11,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:51:11,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:11,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:51:11,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:11,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 00:51:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:11,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:11,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:51:11,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:11,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:51:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:11,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:51:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-14 00:51:11,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095322811] [2020-10-14 00:51:11,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:11,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:51:11,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310207850] [2020-10-14 00:51:11,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:51:11,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:11,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:51:11,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:51:11,423 INFO L87 Difference]: Start difference. First operand 2573 states and 3486 transitions. Second operand 5 states. [2020-10-14 00:51:11,655 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:51:14,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:14,291 INFO L93 Difference]: Finished difference Result 6820 states and 9571 transitions. [2020-10-14 00:51:14,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:51:14,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2020-10-14 00:51:14,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:14,320 INFO L225 Difference]: With dead ends: 6820 [2020-10-14 00:51:14,320 INFO L226 Difference]: Without dead ends: 4253 [2020-10-14 00:51:14,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:51:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4253 states. [2020-10-14 00:51:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4253 to 4246. [2020-10-14 00:51:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4246 states. [2020-10-14 00:51:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 4246 states and 5843 transitions. [2020-10-14 00:51:14,444 INFO L78 Accepts]: Start accepts. Automaton has 4246 states and 5843 transitions. Word has length 233 [2020-10-14 00:51:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:14,444 INFO L479 AbstractCegarLoop]: Abstraction has 4246 states and 5843 transitions. [2020-10-14 00:51:14,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:51:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4246 states and 5843 transitions. [2020-10-14 00:51:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 00:51:14,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:14,457 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:14,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:51:14,458 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:14,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:14,458 INFO L82 PathProgramCache]: Analyzing trace with hash 278315871, now seen corresponding path program 1 times [2020-10-14 00:51:14,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:14,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260770413] [2020-10-14 00:51:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:14,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:14,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:14,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:18,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:19,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:19,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 00:51:19,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:51:19,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 00:51:19,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:19,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 00:51:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 00:51:19,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:19,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:19,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:19,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:19,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:19,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:19,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:19,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:19,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:51:19,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:51:19,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:19,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:19,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:19,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:51:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:19,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:19,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 00:51:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:19,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:19,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:19,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:51:19,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:19,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 00:51:19,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:19,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:51:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-14 00:51:19,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260770413] [2020-10-14 00:51:19,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:19,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:51:19,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605160340] [2020-10-14 00:51:19,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:51:19,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:19,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:51:19,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:51:19,986 INFO L87 Difference]: Start difference. First operand 4246 states and 5843 transitions. Second operand 5 states. [2020-10-14 00:51:20,195 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:51:23,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:23,237 INFO L93 Difference]: Finished difference Result 12483 states and 17581 transitions. [2020-10-14 00:51:23,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:51:23,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-10-14 00:51:23,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:23,280 INFO L225 Difference]: With dead ends: 12483 [2020-10-14 00:51:23,280 INFO L226 Difference]: Without dead ends: 8243 [2020-10-14 00:51:23,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:51:23,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8243 states. [2020-10-14 00:51:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8243 to 8221. [2020-10-14 00:51:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8221 states. [2020-10-14 00:51:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8221 states to 8221 states and 11435 transitions. [2020-10-14 00:51:23,552 INFO L78 Accepts]: Start accepts. Automaton has 8221 states and 11435 transitions. Word has length 240 [2020-10-14 00:51:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:23,554 INFO L479 AbstractCegarLoop]: Abstraction has 8221 states and 11435 transitions. [2020-10-14 00:51:23,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:51:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 8221 states and 11435 transitions. [2020-10-14 00:51:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 00:51:23,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:23,593 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:23,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:51:23,593 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:23,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:23,594 INFO L82 PathProgramCache]: Analyzing trace with hash 364771574, now seen corresponding path program 1 times [2020-10-14 00:51:23,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:23,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042405663] [2020-10-14 00:51:23,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:23,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:24,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:25,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:25,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-14 00:51:25,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:51:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1737 [2020-10-14 00:51:25,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:25,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 00:51:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 00:51:25,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:25,646 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:51:25,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:25,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:25,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:25,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:25,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:25,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 00:51:25,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:25,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 00:51:25,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:25,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 00:51:25,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:51:25,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042405663] [2020-10-14 00:51:25,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:25,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:51:25,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655963821] [2020-10-14 00:51:25,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:51:25,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:25,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:51:25,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:51:25,902 INFO L87 Difference]: Start difference. First operand 8221 states and 11435 transitions. Second operand 5 states. [2020-10-14 00:51:26,041 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:51:28,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:28,663 INFO L93 Difference]: Finished difference Result 21892 states and 31126 transitions. [2020-10-14 00:51:28,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:51:28,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2020-10-14 00:51:28,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:28,734 INFO L225 Difference]: With dead ends: 21892 [2020-10-14 00:51:28,735 INFO L226 Difference]: Without dead ends: 13677 [2020-10-14 00:51:28,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:51:28,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13677 states. [2020-10-14 00:51:29,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13677 to 13038. [2020-10-14 00:51:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13038 states. [2020-10-14 00:51:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13038 states to 13038 states and 18805 transitions. [2020-10-14 00:51:29,214 INFO L78 Accepts]: Start accepts. Automaton has 13038 states and 18805 transitions. Word has length 255 [2020-10-14 00:51:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:29,215 INFO L479 AbstractCegarLoop]: Abstraction has 13038 states and 18805 transitions. [2020-10-14 00:51:29,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:51:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 13038 states and 18805 transitions. [2020-10-14 00:51:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-14 00:51:29,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:29,265 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:29,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:51:29,265 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:29,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1293696696, now seen corresponding path program 1 times [2020-10-14 00:51:29,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:29,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018474808] [2020-10-14 00:51:29,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:29,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:29,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:32,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:34,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:34,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-14 00:51:34,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:51:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 00:51:34,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:34,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 00:51:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 00:51:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:34,501 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:51:34,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:34,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:34,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:34,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:51:34,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:34,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:51:34,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:34,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:34,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:34,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:51:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:34,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:34,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:34,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:51:34,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:51:34,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:34,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:51:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 00:51:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 00:51:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 00:51:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:34,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 00:51:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:34,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:34,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:34,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:51:34,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 00:51:34,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:34,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:51:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 122 proven. 33 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-14 00:51:35,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018474808] [2020-10-14 00:51:35,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:35,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:51:35,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745160724] [2020-10-14 00:51:35,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:51:35,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:35,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:51:35,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:51:35,089 INFO L87 Difference]: Start difference. First operand 13038 states and 18805 transitions. Second operand 7 states. [2020-10-14 00:51:35,248 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:51:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:38,072 INFO L93 Difference]: Finished difference Result 26299 states and 39747 transitions. [2020-10-14 00:51:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:51:38,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 300 [2020-10-14 00:51:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:38,143 INFO L225 Difference]: With dead ends: 26299 [2020-10-14 00:51:38,144 INFO L226 Difference]: Without dead ends: 13267 [2020-10-14 00:51:38,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:51:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13267 states. [2020-10-14 00:51:38,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13267 to 11458. [2020-10-14 00:51:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11458 states. [2020-10-14 00:51:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11458 states to 11458 states and 15838 transitions. [2020-10-14 00:51:38,627 INFO L78 Accepts]: Start accepts. Automaton has 11458 states and 15838 transitions. Word has length 300 [2020-10-14 00:51:38,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:38,627 INFO L479 AbstractCegarLoop]: Abstraction has 11458 states and 15838 transitions. [2020-10-14 00:51:38,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:51:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 11458 states and 15838 transitions. [2020-10-14 00:51:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-14 00:51:38,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:38,673 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:38,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:51:38,673 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:38,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1806781157, now seen corresponding path program 1 times [2020-10-14 00:51:38,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:38,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096877139] [2020-10-14 00:51:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:43,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:43,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 00:51:43,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 00:51:43,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:43,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:43,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:43,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:43,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:51:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:43,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:44,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:44,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:44,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:44,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:51:44,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:51:44,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:44,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:51:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:44,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:44,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:44,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:51:44,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:44,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 00:51:44,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:44,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:51:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 00:51:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:44,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:44,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:44,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 00:51:44,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 00:51:44,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:44,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:51:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 00:51:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:44,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 00:51:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:44,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:44,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:44,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:51:44,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 00:51:44,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:44,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:51:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:51:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 128 proven. 33 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-14 00:51:44,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096877139] [2020-10-14 00:51:44,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:44,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:51:44,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307962068] [2020-10-14 00:51:44,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:51:44,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:44,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:51:44,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:51:44,628 INFO L87 Difference]: Start difference. First operand 11458 states and 15838 transitions. Second operand 7 states. [2020-10-14 00:51:44,762 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:51:45,840 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:51:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:48,261 INFO L93 Difference]: Finished difference Result 31557 states and 45869 transitions. [2020-10-14 00:51:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:51:48,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 303 [2020-10-14 00:51:48,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:48,362 INFO L225 Difference]: With dead ends: 31557 [2020-10-14 00:51:48,362 INFO L226 Difference]: Without dead ends: 20105 [2020-10-14 00:51:48,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:51:48,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20105 states. [2020-10-14 00:51:48,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20105 to 19951. [2020-10-14 00:51:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19951 states. [2020-10-14 00:51:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19951 states to 19951 states and 28046 transitions. [2020-10-14 00:51:49,009 INFO L78 Accepts]: Start accepts. Automaton has 19951 states and 28046 transitions. Word has length 303 [2020-10-14 00:51:49,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:49,010 INFO L479 AbstractCegarLoop]: Abstraction has 19951 states and 28046 transitions. [2020-10-14 00:51:49,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:51:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 19951 states and 28046 transitions. [2020-10-14 00:51:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-14 00:51:49,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:49,073 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:49,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:51:49,074 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:49,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:49,074 INFO L82 PathProgramCache]: Analyzing trace with hash -40101495, now seen corresponding path program 1 times [2020-10-14 00:51:49,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:49,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262328084] [2020-10-14 00:51:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:49,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:54,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:54,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-14 00:51:54,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:51:54,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 00:51:54,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:54,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:54,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:54,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 00:51:54,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 00:51:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:54,335 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:51:54,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:51:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:54,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:54,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:51:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:54,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:51:54,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:54,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:54,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:54,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:51:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:54,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:54,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:54,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:51:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:51:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:54,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:54,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:51:54,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:54,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:51:54,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:54,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:51:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:51:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:51:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 00:51:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:54,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:51:54,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 00:51:54,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:51:54,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-14 00:51:54,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:51:54,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:51:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:51:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:51:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 00:51:54,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:51:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:51:54,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262328084] [2020-10-14 00:51:54,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:51:54,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:51:54,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386845575] [2020-10-14 00:51:54,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:51:54,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:51:54,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:51:54,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:51:54,824 INFO L87 Difference]: Start difference. First operand 19951 states and 28046 transitions. Second operand 7 states. [2020-10-14 00:51:54,966 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:51:56,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:51:56,740 INFO L93 Difference]: Finished difference Result 36878 states and 51944 transitions. [2020-10-14 00:51:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:51:56,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 320 [2020-10-14 00:51:56,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:51:56,790 INFO L225 Difference]: With dead ends: 36878 [2020-10-14 00:51:56,790 INFO L226 Difference]: Without dead ends: 16933 [2020-10-14 00:51:56,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:51:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16933 states. [2020-10-14 00:51:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16933 to 16513. [2020-10-14 00:51:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16513 states. [2020-10-14 00:51:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16513 states to 16513 states and 22609 transitions. [2020-10-14 00:51:57,187 INFO L78 Accepts]: Start accepts. Automaton has 16513 states and 22609 transitions. Word has length 320 [2020-10-14 00:51:57,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:51:57,187 INFO L479 AbstractCegarLoop]: Abstraction has 16513 states and 22609 transitions. [2020-10-14 00:51:57,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:51:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 16513 states and 22609 transitions. [2020-10-14 00:51:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-14 00:51:57,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:51:57,254 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:51:57,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:51:57,254 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:51:57,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:51:57,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1688552305, now seen corresponding path program 1 times [2020-10-14 00:51:57,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:51:57,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312499634] [2020-10-14 00:51:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:51:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:51:57,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:57,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:51:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:02,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 00:52:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 00:52:02,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:52:02,576 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:52:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:52:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:02,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:02,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:02,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:52:02,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:52:02,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:02,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:52:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:52:02,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:52:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:52:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:02,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:52:02,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 00:52:02,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:52:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 00:52:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:52:02,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:52:02,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:52:02,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:52:02,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:52:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 00:52:02,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:52:02,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:52:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:52:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:52:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 00:52:02,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:52:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:52:03,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312499634] [2020-10-14 00:52:03,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:52:03,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:52:03,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405491902] [2020-10-14 00:52:03,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:52:03,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:52:03,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:52:03,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:52:03,004 INFO L87 Difference]: Start difference. First operand 16513 states and 22609 transitions. Second operand 7 states. [2020-10-14 00:52:03,250 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:52:04,228 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:52:06,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:52:06,336 INFO L93 Difference]: Finished difference Result 41489 states and 62359 transitions. [2020-10-14 00:52:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:52:06,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 350 [2020-10-14 00:52:06,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:52:06,337 INFO L225 Difference]: With dead ends: 41489 [2020-10-14 00:52:06,337 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:52:06,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:52:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:52:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:52:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:52:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:52:06,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 350 [2020-10-14 00:52:06,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:52:06,410 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:52:06,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:52:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:52:06,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:52:06,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:52:06,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:52:09,506 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 00:52:11,277 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 605 DAG size of output: 376 [2020-10-14 00:52:12,276 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 376 [2020-10-14 00:52:12,540 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2020-10-14 00:52:16,410 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 446 DAG size of output: 131 [2020-10-14 00:52:18,338 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 348 DAG size of output: 50 [2020-10-14 00:52:20,230 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 348 DAG size of output: 50 [2020-10-14 00:52:20,235 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:52:20,235 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:52:20,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:52:20,236 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:52:20,236 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:52:20,236 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,237 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,238 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,239 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 00:52:20,240 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,241 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 00:52:20,242 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,243 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 00:52:20,244 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,245 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse19 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse38 (= ~a26~0 |old(~a26~0)|)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse10 (= ~a6~0 |old(~a6~0)|)) (.cse11 (= ~a8~0 |old(~a8~0)|)) (.cse12 (= ~a29~0 |old(~a29~0)|)) (.cse13 (= ~a1~0 |old(~a1~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= ~a3~0 |old(~a3~0)|)) (.cse16 (= ~a0~0 |old(~a0~0)|)) (.cse17 (= ~a9~0 |old(~a9~0)|)) (.cse18 (= ~a7~0 |old(~a7~0)|)) (.cse20 (= ~a5~0 |old(~a5~0)|)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse23 (= ~a4~0 |old(~a4~0)|)) (.cse24 (= ~a2~0 |old(~a2~0)|)) (.cse25 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a14~0 |old(~a14~0)|)) (.cse27 (= ~a25~0 |old(~a25~0)|)) (.cse28 (= ~a23~0 |old(~a23~0)|)) (.cse29 (= ~a12~0 |old(~a12~0)|)) (.cse30 (= ~a15~0 |old(~a15~0)|)) (.cse31 (= ~a13~0 |old(~a13~0)|)) (.cse39 (<= 1 ~a11~0)) (.cse32 (= ~a24~0 |old(~a24~0)|)) (.cse33 (= ~a20~0 |old(~a20~0)|)) (.cse40 (<= ~a11~0 1)) (.cse34 (= ~a22~0 |old(~a22~0)|)) (.cse35 (= ~a10~0 |old(~a10~0)|)) (.cse36 (= ~a27~0 |old(~a27~0)|))) (let ((.cse21 (= ~a26~0 1)) (.cse7 (not (= |old(~a26~0)| 1))) (.cse6 (not (<= 2 |old(~a3~0)|))) (.cse1 (not (<= |old(~a11~0)| 1))) (.cse2 (and .cse8 .cse38 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse39 .cse32 .cse33 .cse40 .cse34 .cse35 .cse36)) (.cse4 (not (<= 1 |old(~a11~0)|))) (.cse0 (not (= 0 |old(~a27~0)|))) (.cse41 (and .cse8 .cse38 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)) (.cse3 (not (<= |old(~a5~0)| 1))) (.cse5 (not (<= 1 |old(~a5~0)|))) (.cse37 (not (<= |old(~a11~0)| 0))) (.cse42 (= |old(~a12~0)| |old(~a27~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse5 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) .cse37) (or .cse1 .cse3 (not (= |old(~a6~0)| 1)) .cse4 (and .cse8 .cse38 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 (= ~a6~0 1) (= ~a12~0 ~a11~0) .cse30 .cse31 .cse39 .cse32 .cse33 .cse40 .cse34 .cse35 .cse36) .cse5 (not (= |old(~a11~0)| |old(~a12~0)|))) (or (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse39 .cse32 .cse33 .cse40 .cse34 .cse35 .cse36) .cse1 .cse7 .cse3 .cse4 .cse5) (or .cse41 .cse3 .cse5 .cse6 .cse37) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse42) (or .cse0 (= |old(~a6~0)| |old(~a10~0)|) .cse41 .cse3 .cse5 .cse37) (or .cse41 .cse3 .cse5 .cse37 .cse42)))) [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,246 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 00:52:20,247 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 00:52:20,248 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,249 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,250 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:52:20,251 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,252 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:52:20,253 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,254 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,255 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 00:52:20,256 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,257 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,258 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 00:52:20,259 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:52:20,260 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 00:52:20,261 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,262 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,263 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 00:52:20,264 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,265 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 00:52:20,266 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 00:52:20,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:52:20,266 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a5~0) (<= ~a5~0 1) (not (= ~a27~0 ~a12~0)) (not (= ~a10~0 ~a6~0)) (= ~a11~0 0) (= ~a12~0 ~a11~0) (= ~a3~0 1)) [2020-10-14 00:52:20,266 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:52:20,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:52:20,266 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 00:52:20,266 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 00:52:20,267 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (= |old(~a6~0)| |old(~a10~0)|) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a12~0 ~a11~0) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (<= |old(~a5~0)| 1)) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a3~0)| 1)) (not (= |old(~a11~0)| |old(~a12~0)|)) (= |old(~a12~0)| |old(~a27~0)|)) [2020-10-14 00:52:20,267 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:52:20,267 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse2 (<= ~a11~0 0)) (.cse4 (<= 2 ~a3~0)) (.cse3 (= ~a27~0 0)) (.cse0 (= ~a5~0 |old(~a5~0)|)) (.cse1 (<= ~a11~0 1))) (or (and .cse0 .cse1 (= ~a26~0 1)) (and (<= 1 ~a11~0) .cse0 .cse1 (= ~a6~0 1) (= ~a12~0 ~a11~0)) (= |old(~a6~0)| |old(~a10~0)|) (not (<= |old(~a5~0)| 1)) (and .cse2 (not (= ~a10~0 ~a6~0)) .cse0 .cse3) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a3~0)| 1)) (= |old(~a12~0)| |old(~a27~0)|) (and .cse2 .cse4 .cse0) (and .cse4 .cse0 .cse1 .cse3) (and (not (= ~a27~0 ~a12~0)) .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a12~0)|)))) [2020-10-14 00:52:20,267 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:52:20,267 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse2 (<= ~a11~0 0)) (.cse4 (<= 2 ~a3~0)) (.cse3 (= ~a27~0 0)) (.cse0 (= ~a5~0 |old(~a5~0)|)) (.cse1 (<= ~a11~0 1))) (or (and .cse0 .cse1 (= ~a26~0 1)) (and (<= 1 ~a11~0) .cse0 .cse1 (= ~a6~0 1) (= ~a12~0 ~a11~0)) (= |old(~a6~0)| |old(~a10~0)|) (not (<= |old(~a5~0)| 1)) (and .cse2 (not (= ~a10~0 ~a6~0)) .cse0 .cse3) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a3~0)| 1)) (= |old(~a12~0)| |old(~a27~0)|) (and .cse2 .cse4 .cse0) (and .cse4 .cse0 .cse1 .cse3) (and (not (= ~a27~0 ~a12~0)) .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a12~0)|)))) [2020-10-14 00:52:20,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:52:20 BoogieIcfgContainer [2020-10-14 00:52:20,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:52:20,295 INFO L168 Benchmark]: Toolchain (without parser) took 111339.94 ms. Allocated memory was 143.7 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 100.0 MB in the beginning and 94.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 00:52:20,296 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 123.3 MB in the beginning and 122.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 00:52:20,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.97 ms. Allocated memory was 143.7 MB in the beginning and 243.3 MB in the end (delta: 99.6 MB). Free memory was 100.0 MB in the beginning and 190.4 MB in the end (delta: -90.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:52:20,297 INFO L168 Benchmark]: Boogie Preprocessor took 211.54 ms. Allocated memory is still 243.3 MB. Free memory was 190.4 MB in the beginning and 179.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:52:20,298 INFO L168 Benchmark]: RCFGBuilder took 2057.24 ms. Allocated memory was 243.3 MB in the beginning and 258.5 MB in the end (delta: 15.2 MB). Free memory was 179.9 MB in the beginning and 180.5 MB in the end (delta: -566.6 kB). Peak memory consumption was 97.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:52:20,299 INFO L168 Benchmark]: TraceAbstraction took 107754.15 ms. Allocated memory was 258.5 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 178.4 MB in the beginning and 94.4 MB in the end (delta: 84.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 00:52:20,302 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 143.7 MB. Free memory was 123.3 MB in the beginning and 122.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1309.97 ms. Allocated memory was 143.7 MB in the beginning and 243.3 MB in the end (delta: 99.6 MB). Free memory was 100.0 MB in the beginning and 190.4 MB in the end (delta: -90.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.54 ms. Allocated memory is still 243.3 MB. Free memory was 190.4 MB in the beginning and 179.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2057.24 ms. Allocated memory was 243.3 MB in the beginning and 258.5 MB in the end (delta: 15.2 MB). Free memory was 179.9 MB in the beginning and 180.5 MB in the end (delta: -566.6 kB). Peak memory consumption was 97.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 107754.15 ms. Allocated memory was 258.5 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 178.4 MB in the beginning and 94.4 MB in the end (delta: 84.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1658]: Loop Invariant Derived loop invariant: (((((((((((((a5 == \old(a5) && a11 <= 1) && a26 == 1) || ((((1 <= a11 && a5 == \old(a5)) && a11 <= 1) && a6 == 1) && a12 == a11)) || \old(a6) == \old(a10)) || !(\old(a5) <= 1)) || (((a11 <= 0 && !(a10 == a6)) && a5 == \old(a5)) && a27 == 0)) || !(1 <= \old(a5))) || !(\old(a3) == 1)) || \old(a12) == \old(a27)) || ((a11 <= 0 && 2 <= a3) && a5 == \old(a5))) || (((2 <= a3 && a5 == \old(a5)) && a11 <= 1) && a27 == 0)) || ((!(a27 == a12) && a5 == \old(a5)) && a11 <= 1)) || !(0 == \old(a11))) || !(\old(a11) == \old(a12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 93.8s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 32.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 482 SDtfs, 5621 SDslu, 645 SDs, 0 SdLazy, 15013 SolverSat, 2050 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19951occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 3094 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 620 PreInvPairs, 1106 NumberOfFragments, 1347 HoareAnnotationTreeSize, 620 FomulaSimplifications, 2084062 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 140554 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 55.5s InterpolantComputationTime, 2849 NumberOfCodeBlocks, 2849 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2838 ConstructedInterpolants, 0 QuantifiedInterpolants, 3142252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 883/965 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...