/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:44:48,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:44:48,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:44:48,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:44:48,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:44:48,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:44:48,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:44:48,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:44:48,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:44:48,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:44:48,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:44:48,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:44:48,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:44:48,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:44:48,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:44:48,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:44:48,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:44:48,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:44:48,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:44:48,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:44:48,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:44:48,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:44:48,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:44:48,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:44:48,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:44:48,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:44:48,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:44:48,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:44:48,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:44:48,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:44:48,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:44:48,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:44:48,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:44:48,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:44:48,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:44:48,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:44:48,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:44:48,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:44:48,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:44:48,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:44:48,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:44:48,584 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 00:44:48,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:44:48,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:44:48,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:44:48,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:44:48,607 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:44:48,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:44:48,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:44:48,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:44:48,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:44:48,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:44:48,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:44:48,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:44:48,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:44:48,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:44:48,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:44:48,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:44:48,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:44:48,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:44:48,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:44:48,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:44:48,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:44:48,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:44:48,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:44:48,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:44:48,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:44:48,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:44:48,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:44:48,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:44:48,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:44:48,611 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 00:44:48,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:44:48,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:44:48,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:44:48,914 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:44:48,914 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:44:48,915 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-10-14 00:44:48,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34ecdb99a/47d044da576e43a0b39116d2594f3682/FLAGdcab66978 [2020-10-14 00:44:49,531 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:44:49,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-10-14 00:44:49,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34ecdb99a/47d044da576e43a0b39116d2594f3682/FLAGdcab66978 [2020-10-14 00:44:49,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34ecdb99a/47d044da576e43a0b39116d2594f3682 [2020-10-14 00:44:49,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:44:49,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:44:49,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:44:49,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:44:49,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:44:49,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:49" (1/1) ... [2020-10-14 00:44:49,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595dbb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:49, skipping insertion in model container [2020-10-14 00:44:49,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:49" (1/1) ... [2020-10-14 00:44:49,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:44:49,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:44:50,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:44:50,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:44:50,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:44:50,535 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:44:50,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50 WrapperNode [2020-10-14 00:44:50,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:44:50,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:44:50,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:44:50,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:44:50,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (1/1) ... [2020-10-14 00:44:50,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:44:50,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:44:50,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:44:50,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:44:50,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (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 00:44:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:44:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:44:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:44:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:44:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:44:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:44:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:44:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:44:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:44:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:44:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:44:51,754 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:44:51,754 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:44:51,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:51 BoogieIcfgContainer [2020-10-14 00:44:51,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:44:51,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:44:51,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:44:51,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:44:51,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:49" (1/3) ... [2020-10-14 00:44:51,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bae45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:51, skipping insertion in model container [2020-10-14 00:44:51,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:50" (2/3) ... [2020-10-14 00:44:51,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bae45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:51, skipping insertion in model container [2020-10-14 00:44:51,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:51" (3/3) ... [2020-10-14 00:44:51,774 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-10-14 00:44:51,784 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:44:51,796 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:44:51,809 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:44:51,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:44:51,841 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:44:51,841 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:44:51,842 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:44:51,842 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:44:51,842 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:44:51,842 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:44:51,842 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:44:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 00:44:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 00:44:51,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:51,877 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] [2020-10-14 00:44:51,878 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:51,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:51,884 INFO L82 PathProgramCache]: Analyzing trace with hash 341704158, now seen corresponding path program 1 times [2020-10-14 00:44:51,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:51,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74245144] [2020-10-14 00:44:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:52,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:52,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:53,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:53,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 00:44:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:44:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-10-14 00:44:53,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:53,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:44:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:44:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 00:44:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:44:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:53,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:53,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:53,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:53,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 00:44:53,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:53,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:53,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:53,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:44:53,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:53,779 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 00:44:53,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74245144] [2020-10-14 00:44:53,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:44:53,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 00:44:53,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538403205] [2020-10-14 00:44:53,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:53,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:53,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:53,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:53,819 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-10-14 00:44:55,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:55,484 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-10-14 00:44:55,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:55,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-10-14 00:44:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:55,503 INFO L225 Difference]: With dead ends: 627 [2020-10-14 00:44:55,503 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 00:44:55,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:55,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 00:44:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-10-14 00:44:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-14 00:44:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-10-14 00:44:55,592 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 114 [2020-10-14 00:44:55,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:55,593 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-10-14 00:44:55,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-10-14 00:44:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 00:44:55,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:55,598 INFO L422 BasicCegarLoop]: trace histogram [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 00:44:55,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:44:55,599 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:55,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:55,600 INFO L82 PathProgramCache]: Analyzing trace with hash 2131456323, now seen corresponding path program 1 times [2020-10-14 00:44:55,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:55,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901082732] [2020-10-14 00:44:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:55,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:56,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:57,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:57,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 00:44:57,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:44:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1387 [2020-10-14 00:44:57,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:57,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 00:44:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 00:44:57,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:57,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:57,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:57,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:57,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:57,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:44:57,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:57,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:44:57,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:57,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:57,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:57,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:44:57,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:57,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 00:44:57,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:57,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:57,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:57,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:44:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:57,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901082732] [2020-10-14 00:44:57,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:57,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:57,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680571124] [2020-10-14 00:44:57,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:57,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:57,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:57,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:57,238 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 5 states. [2020-10-14 00:44:58,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:58,304 INFO L93 Difference]: Finished difference Result 945 states and 1443 transitions. [2020-10-14 00:44:58,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:58,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-14 00:44:58,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:58,310 INFO L225 Difference]: With dead ends: 945 [2020-10-14 00:44:58,310 INFO L226 Difference]: Without dead ends: 632 [2020-10-14 00:44:58,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-14 00:44:58,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 483. [2020-10-14 00:44:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-10-14 00:44:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 713 transitions. [2020-10-14 00:44:58,340 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 713 transitions. Word has length 129 [2020-10-14 00:44:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:58,341 INFO L479 AbstractCegarLoop]: Abstraction has 483 states and 713 transitions. [2020-10-14 00:44:58,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 713 transitions. [2020-10-14 00:44:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 00:44:58,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:58,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:58,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:44:58,346 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:58,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:58,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2078659318, now seen corresponding path program 1 times [2020-10-14 00:44:58,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:58,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897484035] [2020-10-14 00:44:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:58,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:59,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:59,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:59,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 00:44:59,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:44:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1390 [2020-10-14 00:44:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:59,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:44:59,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 00:44:59,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:59,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:59,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:59,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:59,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:44:59,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:59,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:59,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:59,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:59,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:59,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:59,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 00:44:59,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:59,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:44:59,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:59,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:44:59,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:59,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897484035] [2020-10-14 00:44:59,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:59,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:45:00,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787649696] [2020-10-14 00:45:00,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:00,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:00,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:00,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:00,001 INFO L87 Difference]: Start difference. First operand 483 states and 713 transitions. Second operand 5 states. [2020-10-14 00:45:01,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:01,173 INFO L93 Difference]: Finished difference Result 1429 states and 2165 transitions. [2020-10-14 00:45:01,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:01,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-14 00:45:01,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:01,190 INFO L225 Difference]: With dead ends: 1429 [2020-10-14 00:45:01,191 INFO L226 Difference]: Without dead ends: 952 [2020-10-14 00:45:01,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:01,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-10-14 00:45:01,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 791. [2020-10-14 00:45:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2020-10-14 00:45:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1144 transitions. [2020-10-14 00:45:01,241 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1144 transitions. Word has length 136 [2020-10-14 00:45:01,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:01,242 INFO L479 AbstractCegarLoop]: Abstraction has 791 states and 1144 transitions. [2020-10-14 00:45:01,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1144 transitions. [2020-10-14 00:45:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 00:45:01,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:01,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:01,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:45:01,246 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:01,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2119188334, now seen corresponding path program 1 times [2020-10-14 00:45:01,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:01,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590665649] [2020-10-14 00:45:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:01,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:01,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:02,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 00:45:02,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:45:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1190 [2020-10-14 00:45:02,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:02,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 00:45:02,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 00:45:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:45:02,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:02,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:02,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:02,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:02,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:45:02,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:02,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:02,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:02,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:02,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:02,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 00:45:02,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 00:45:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:02,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 00:45:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:45:02,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590665649] [2020-10-14 00:45:02,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:02,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:45:02,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577351021] [2020-10-14 00:45:02,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:02,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:02,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:02,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:02,692 INFO L87 Difference]: Start difference. First operand 791 states and 1144 transitions. Second operand 5 states. [2020-10-14 00:45:03,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:03,788 INFO L93 Difference]: Finished difference Result 2321 states and 3468 transitions. [2020-10-14 00:45:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:03,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-14 00:45:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:03,800 INFO L225 Difference]: With dead ends: 2321 [2020-10-14 00:45:03,801 INFO L226 Difference]: Without dead ends: 1536 [2020-10-14 00:45:03,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:03,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2020-10-14 00:45:03,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1524. [2020-10-14 00:45:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1524 states. [2020-10-14 00:45:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1524 states and 2154 transitions. [2020-10-14 00:45:03,874 INFO L78 Accepts]: Start accepts. Automaton has 1524 states and 2154 transitions. Word has length 140 [2020-10-14 00:45:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:03,874 INFO L479 AbstractCegarLoop]: Abstraction has 1524 states and 2154 transitions. [2020-10-14 00:45:03,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 2154 transitions. [2020-10-14 00:45:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-14 00:45:03,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:03,885 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, 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] [2020-10-14 00:45:03,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:45:03,886 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:03,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:03,887 INFO L82 PathProgramCache]: Analyzing trace with hash 492852914, now seen corresponding path program 1 times [2020-10-14 00:45:03,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:03,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610920220] [2020-10-14 00:45:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:03,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:04,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:05,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:07,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:08,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:08,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 00:45:08,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:45:08,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4281 [2020-10-14 00:45:08,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:08,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 00:45:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 00:45:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:45:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:45:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:08,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:08,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:08,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:08,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:08,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 00:45:08,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:08,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:45:08,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:08,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:08,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 00:45:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:08,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:08,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 00:45:08,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 00:45:08,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:08,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 00:45:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 00:45:08,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610920220] [2020-10-14 00:45:08,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:08,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:45:08,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214455940] [2020-10-14 00:45:08,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:45:08,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:08,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:45:08,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:08,438 INFO L87 Difference]: Start difference. First operand 1524 states and 2154 transitions. Second operand 6 states. [2020-10-14 00:45:10,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:10,642 INFO L93 Difference]: Finished difference Result 5399 states and 7851 transitions. [2020-10-14 00:45:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:45:10,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-10-14 00:45:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:10,645 INFO L225 Difference]: With dead ends: 5399 [2020-10-14 00:45:10,645 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:45:10,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:45:10,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:45:10,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:45:10,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:45:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:45:10,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-10-14 00:45:10,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:10,663 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:45:10,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:45:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:45:10,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:45:10,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:45:10,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:45:11,430 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2020-10-14 00:45:11,504 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:45:11,505 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 00:45:11,505 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:45:11,505 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,505 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,505 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,505 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,505 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,506 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 00:45:11,506 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 00:45:11,506 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 00:45:11,507 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 00:45:11,508 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 00:45:11,509 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,510 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 00:45:11,510 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 00:45:11,510 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 00:45:11,510 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 00:45:11,510 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 00:45:11,511 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 00:45:11,512 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:45:11,512 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:45:11,512 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 00:45:11,512 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,513 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:45:11,514 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,515 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 00:45:11,516 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 00:45:11,517 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 00:45:11,517 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 00:45:11,517 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 00:45:11,517 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 00:45:11,517 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 00:45:11,518 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 00:45:11,518 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 00:45:11,518 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,518 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,519 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,519 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,519 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,519 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 00:45:11,522 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 00:45:11,522 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 00:45:11,522 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 00:45:11,523 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 00:45:11,524 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:45:11,524 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 00:45:11,524 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:45:11,524 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,524 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,525 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:45:11,526 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:45:11,526 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:45:11,526 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,526 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,526 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 00:45:11,526 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 00:45:11,527 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 00:45:11,528 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,529 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 00:45:11,530 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,531 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,532 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,532 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)))) (and (or .cse0 (not (<= 9 |old(~a28~0)|))) (or (= 8 |old(~a28~0)|) .cse0 (not (= 0 |old(~a11~0)|))) (or (not (<= 8 |old(~a17~0)|)) .cse0) (or (not (= |old(~a19~0)| 1)) .cse0) (or .cse0 (not (= 0 |old(~a25~0)|))))) [2020-10-14 00:45:11,532 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,532 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,532 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,532 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 00:45:11,532 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 00:45:11,533 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,534 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 00:45:11,535 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 00:45:11,536 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 00:45:11,537 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:45:11,538 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 00:45:11,539 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:45:11,540 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (not (= ~a28~0 8)) (= ~a25~0 0) (<= 8 ~a17~0) (= ~a11~0 0)) [2020-10-14 00:45:11,540 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:45:11,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:45:11,540 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 8 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|))) [2020-10-14 00:45:11,540 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (= 8 |old(~a28~0)|) (<= 9 ~a28~0) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a25~0 0) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and (not (= ~a28~0 8)) (= ~a11~0 0)) (<= 8 ~a17~0) (not (= 0 |old(~a25~0)|))) [2020-10-14 00:45:11,540 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:45:11,541 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:45:11,541 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (= 8 |old(~a28~0)|) (<= 9 ~a28~0) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a25~0 0) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and (not (= ~a28~0 8)) (= ~a11~0 0)) (<= 8 ~a17~0) (not (= 0 |old(~a25~0)|))) [2020-10-14 00:45:11,541 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 00:45:11,541 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 00:45:11,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:45:11 BoogieIcfgContainer [2020-10-14 00:45:11,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:45:11,572 INFO L168 Benchmark]: Toolchain (without parser) took 21765.88 ms. Allocated memory was 146.8 MB in the beginning and 623.4 MB in the end (delta: 476.6 MB). Free memory was 99.9 MB in the beginning and 137.8 MB in the end (delta: -37.9 MB). Peak memory consumption was 438.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:11,574 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:45:11,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.94 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 99.7 MB in the beginning and 171.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:11,582 INFO L168 Benchmark]: Boogie Preprocessor took 120.60 ms. Allocated memory is still 205.0 MB. Free memory was 171.3 MB in the beginning and 166.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:11,583 INFO L168 Benchmark]: RCFGBuilder took 1108.88 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 178.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:11,584 INFO L168 Benchmark]: TraceAbstraction took 19802.55 ms. Allocated memory was 236.5 MB in the beginning and 623.4 MB in the end (delta: 386.9 MB). Free memory was 177.0 MB in the beginning and 137.8 MB in the end (delta: 39.1 MB). Peak memory consumption was 426.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:11,597 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.94 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 99.7 MB in the beginning and 171.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.60 ms. Allocated memory is still 205.0 MB. Free memory was 171.3 MB in the beginning and 166.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1108.88 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 178.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19802.55 ms. Allocated memory was 236.5 MB in the beginning and 623.4 MB in the end (delta: 386.9 MB). Free memory was 177.0 MB in the beginning and 137.8 MB in the end (delta: 39.1 MB). Peak memory consumption was 426.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((8 == \old(a28) || 9 <= a28) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || a25 == 0) || a19 == 1) || !(0 == \old(a11))) || (!(a28 == 8) && a11 == 0)) || 8 <= a17) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.8s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 2343 SDslu, 184 SDs, 0 SdLazy, 3677 SolverSat, 738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1524occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 330 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 55 PreInvPairs, 111 NumberOfFragments, 295 HoareAnnotationTreeSize, 55 FomulaSimplifications, 17162 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1902 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 691 NumberOfCodeBlocks, 691 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 686 ConstructedInterpolants, 0 QuantifiedInterpolants, 323904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 129/134 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...