/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/Problem14_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:20:02,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:20:02,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:20:02,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:20:02,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:20:02,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:20:02,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:20:02,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:20:02,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:20:02,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:20:02,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:20:02,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:20:02,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:20:02,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:20:02,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:20:02,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:20:02,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:20:02,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:20:02,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:20:02,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:20:02,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:20:02,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:20:02,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:20:02,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:20:02,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:20:02,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:20:02,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:20:02,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:20:02,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:20:02,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:20:02,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:20:02,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:20:02,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:20:02,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:20:02,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:20:02,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:20:02,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:20:02,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:20:02,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:20:02,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:20:02,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:20:02,629 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 03:20:02,681 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:20:02,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:20:02,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:20:02,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:20:02,683 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:20:02,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:20:02,684 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:20:02,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:20:02,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:20:02,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:20:02,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:20:02,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:20:02,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:20:02,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:20:02,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:20:02,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:20:02,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:20:02,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:20:02,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:20:02,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:20:02,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:20:02,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:20:02,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:20:02,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:20:02,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:20:02,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:20:02,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:20:02,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:20:02,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:20:02,690 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 03:20:03,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:20:03,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:20:03,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:20:03,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:20:03,058 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:20:03,059 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2020-10-14 03:20:03,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4607398e3/dbd250a96bf048bb92f61edd49212e30/FLAG94f9070fd [2020-10-14 03:20:03,641 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:20:03,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2020-10-14 03:20:03,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4607398e3/dbd250a96bf048bb92f61edd49212e30/FLAG94f9070fd [2020-10-14 03:20:03,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4607398e3/dbd250a96bf048bb92f61edd49212e30 [2020-10-14 03:20:03,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:20:03,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:20:03,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:03,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:20:03,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:20:03,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:03" (1/1) ... [2020-10-14 03:20:03,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb42231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:03, skipping insertion in model container [2020-10-14 03:20:03,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:03" (1/1) ... [2020-10-14 03:20:03,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:20:04,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:20:04,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:04,633 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:20:04,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:04,802 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:20:04,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04 WrapperNode [2020-10-14 03:20:04,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:04,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:20:04,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:20:04,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:20:04,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (1/1) ... [2020-10-14 03:20:04,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:20:04,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:20:04,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:20:04,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:20:04,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (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 03:20:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:20:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:20:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:20:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:20:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:20:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:20:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:20:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:20:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:20:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:20:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:20:06,470 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:20:06,471 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:20:06,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:06 BoogieIcfgContainer [2020-10-14 03:20:06,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:20:06,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:20:06,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:20:06,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:20:06,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:20:03" (1/3) ... [2020-10-14 03:20:06,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a00b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:06, skipping insertion in model container [2020-10-14 03:20:06,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:04" (2/3) ... [2020-10-14 03:20:06,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a00b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:06, skipping insertion in model container [2020-10-14 03:20:06,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:06" (3/3) ... [2020-10-14 03:20:06,486 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label42.c [2020-10-14 03:20:06,497 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:20:06,505 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:20:06,519 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:20:06,546 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:20:06,546 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:20:06,546 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:20:06,547 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:20:06,547 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:20:06,547 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:20:06,547 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:20:06,547 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:20:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:20:06,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 03:20:06,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:06,581 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] [2020-10-14 03:20:06,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:06,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1174892051, now seen corresponding path program 1 times [2020-10-14 03:20:06,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:06,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034601689] [2020-10-14 03:20:06,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:06,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:07,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:07,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 03:20:07,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-14 03:20:07,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:07,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:20:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:20:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 03:20:07,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:20:07,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:07,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:07,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:07,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:20:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:07,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:20:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:07,324 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 03:20:07,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034601689] [2020-10-14 03:20:07,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:20:07,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:20:07,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162951727] [2020-10-14 03:20:07,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:20:07,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:07,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:20:07,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:20:07,356 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:20:09,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:09,055 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 03:20:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:09,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-14 03:20:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:09,075 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:20:09,076 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:20:09,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:20:09,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 03:20:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 03:20:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 03:20:09,188 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 48 [2020-10-14 03:20:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:09,189 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 03:20:09,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:20:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 03:20:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 03:20:09,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:09,196 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:09,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:20:09,196 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:09,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:09,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1760405091, now seen corresponding path program 1 times [2020-10-14 03:20:09,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:09,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835934674] [2020-10-14 03:20:09,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:09,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:09,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 03:20:10,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:10,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-14 03:20:10,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:20:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 03:20:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:10,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:10,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:20:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:20:10,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:20:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:20:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:20:10,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835934674] [2020-10-14 03:20:10,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:10,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:10,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662441500] [2020-10-14 03:20:10,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:10,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:10,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:10,610 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-14 03:20:12,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:12,176 INFO L93 Difference]: Finished difference Result 934 states and 1411 transitions. [2020-10-14 03:20:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:12,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-14 03:20:12,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:12,182 INFO L225 Difference]: With dead ends: 934 [2020-10-14 03:20:12,182 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:20:12,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 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 03:20:12,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:20:12,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:20:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:20:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 745 transitions. [2020-10-14 03:20:12,221 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 745 transitions. Word has length 117 [2020-10-14 03:20:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:12,222 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 745 transitions. [2020-10-14 03:20:12,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 745 transitions. [2020-10-14 03:20:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-14 03:20:12,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:12,228 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:12,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:20:12,228 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:12,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:12,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1901949207, now seen corresponding path program 1 times [2020-10-14 03:20:12,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:12,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444880568] [2020-10-14 03:20:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:12,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:14,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:16,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:16,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 03:20:16,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4598 [2020-10-14 03:20:16,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:16,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:20:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:20:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:17,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:17,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:17,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:17,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:20:17,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 03:20:17,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:20:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:20:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:17,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 03:20:17,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:20:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:20:17,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444880568] [2020-10-14 03:20:17,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:17,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:17,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886475872] [2020-10-14 03:20:17,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:17,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:17,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:17,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:17,421 INFO L87 Difference]: Start difference. First operand 560 states and 745 transitions. Second operand 7 states. [2020-10-14 03:20:19,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:19,337 INFO L93 Difference]: Finished difference Result 1340 states and 1767 transitions. [2020-10-14 03:20:19,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:19,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2020-10-14 03:20:19,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:19,345 INFO L225 Difference]: With dead ends: 1340 [2020-10-14 03:20:19,345 INFO L226 Difference]: Without dead ends: 598 [2020-10-14 03:20:19,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-14 03:20:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 562. [2020-10-14 03:20:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-14 03:20:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 702 transitions. [2020-10-14 03:20:19,391 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 702 transitions. Word has length 200 [2020-10-14 03:20:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:19,392 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 702 transitions. [2020-10-14 03:20:19,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 702 transitions. [2020-10-14 03:20:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 03:20:19,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:19,397 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:19,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:20:19,398 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:19,399 INFO L82 PathProgramCache]: Analyzing trace with hash -832836897, now seen corresponding path program 1 times [2020-10-14 03:20:19,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:19,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984929696] [2020-10-14 03:20:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:19,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:19,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:19,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:22,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:24,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 03:20:24,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 03:20:24,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:24,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:24,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 03:20:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:20:24,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 29 [2020-10-14 03:20:24,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:24,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:24,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:24,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:24,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:24,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:24,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:20:24,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:20:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:24,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 03:20:24,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 03:20:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:24,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:24,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:24,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:24,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 03:20:24,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:24,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:20:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:20:24,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984929696] [2020-10-14 03:20:24,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:24,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:24,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690759192] [2020-10-14 03:20:24,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:24,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:24,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:24,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:24,835 INFO L87 Difference]: Start difference. First operand 562 states and 702 transitions. Second operand 7 states. [2020-10-14 03:20:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:26,870 INFO L93 Difference]: Finished difference Result 1750 states and 2307 transitions. [2020-10-14 03:20:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:26,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-10-14 03:20:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:26,880 INFO L225 Difference]: With dead ends: 1750 [2020-10-14 03:20:26,880 INFO L226 Difference]: Without dead ends: 996 [2020-10-14 03:20:26,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:26,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-10-14 03:20:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 940. [2020-10-14 03:20:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-10-14 03:20:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1039 transitions. [2020-10-14 03:20:26,923 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1039 transitions. Word has length 204 [2020-10-14 03:20:26,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:26,924 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1039 transitions. [2020-10-14 03:20:26,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1039 transitions. [2020-10-14 03:20:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-14 03:20:26,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:26,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:26,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:20:26,929 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:26,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:26,930 INFO L82 PathProgramCache]: Analyzing trace with hash -832214495, now seen corresponding path program 1 times [2020-10-14 03:20:26,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:26,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433002447] [2020-10-14 03:20:26,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:27,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:27,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 03:20:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2688 [2020-10-14 03:20:29,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:20:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 03:20:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:29,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:29,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:29,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:30,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:30,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:30,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:30,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-14 03:20:30,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:30,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:30,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:20:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:20:30,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433002447] [2020-10-14 03:20:30,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:30,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:30,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871737218] [2020-10-14 03:20:30,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:30,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:30,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:30,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:30,181 INFO L87 Difference]: Start difference. First operand 940 states and 1039 transitions. Second operand 5 states. [2020-10-14 03:20:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:31,518 INFO L93 Difference]: Finished difference Result 2438 states and 2747 transitions. [2020-10-14 03:20:31,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:31,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2020-10-14 03:20:31,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:31,532 INFO L225 Difference]: With dead ends: 2438 [2020-10-14 03:20:31,533 INFO L226 Difference]: Without dead ends: 1504 [2020-10-14 03:20:31,536 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 03:20:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-10-14 03:20:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1314. [2020-10-14 03:20:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-14 03:20:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1476 transitions. [2020-10-14 03:20:31,607 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1476 transitions. Word has length 227 [2020-10-14 03:20:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:31,608 INFO L479 AbstractCegarLoop]: Abstraction has 1314 states and 1476 transitions. [2020-10-14 03:20:31,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1476 transitions. [2020-10-14 03:20:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-14 03:20:31,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:31,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:31,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:20:31,619 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:31,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:31,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1118869467, now seen corresponding path program 1 times [2020-10-14 03:20:31,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:31,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562011016] [2020-10-14 03:20:31,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:31,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:31,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:36,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:36,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-14 03:20:36,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:36,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 03:20:36,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:36,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:20:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 03:20:36,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:36,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:36,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:36,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:36,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:36,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:20:36,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:36,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:36,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:36,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:36,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:36,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:36,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:36,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 03:20:36,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:36,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:37,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:20:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:37,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:37,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:37,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:20:37,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:37,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:20:37,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:37,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:20:37,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 03:20:37,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562011016] [2020-10-14 03:20:37,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:37,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:37,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988084667] [2020-10-14 03:20:37,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:37,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:37,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:37,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:37,249 INFO L87 Difference]: Start difference. First operand 1314 states and 1476 transitions. Second operand 5 states. [2020-10-14 03:20:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:38,495 INFO L93 Difference]: Finished difference Result 3364 states and 3874 transitions. [2020-10-14 03:20:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:38,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 306 [2020-10-14 03:20:38,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:38,511 INFO L225 Difference]: With dead ends: 3364 [2020-10-14 03:20:38,511 INFO L226 Difference]: Without dead ends: 2056 [2020-10-14 03:20:38,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 03:20:38,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2020-10-14 03:20:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 2052. [2020-10-14 03:20:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-10-14 03:20:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2300 transitions. [2020-10-14 03:20:38,606 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2300 transitions. Word has length 306 [2020-10-14 03:20:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:38,607 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2300 transitions. [2020-10-14 03:20:38,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2300 transitions. [2020-10-14 03:20:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-14 03:20:38,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:38,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:38,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:20:38,617 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:38,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:38,618 INFO L82 PathProgramCache]: Analyzing trace with hash -2000877037, now seen corresponding path program 1 times [2020-10-14 03:20:38,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:38,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061811262] [2020-10-14 03:20:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:39,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:43,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-14 03:20:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 03:20:43,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:43,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:20:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:20:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:43,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:43,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:43,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:43,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:43,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:20:43,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:43,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:43,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:43,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:44,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:44,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:44,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 03:20:44,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:44,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:20:44,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:44,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:20:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:44,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:44,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:44,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:44,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 03:20:44,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:44,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:20:44,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:20:44,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061811262] [2020-10-14 03:20:44,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:44,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:44,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927238944] [2020-10-14 03:20:44,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:44,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:44,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:44,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:44,284 INFO L87 Difference]: Start difference. First operand 2052 states and 2300 transitions. Second operand 7 states. [2020-10-14 03:20:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:45,999 INFO L93 Difference]: Finished difference Result 4532 states and 5264 transitions. [2020-10-14 03:20:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:20:46,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-14 03:20:46,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:46,014 INFO L225 Difference]: With dead ends: 4532 [2020-10-14 03:20:46,015 INFO L226 Difference]: Without dead ends: 2296 [2020-10-14 03:20:46,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:20:46,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2020-10-14 03:20:46,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 2240. [2020-10-14 03:20:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-10-14 03:20:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2520 transitions. [2020-10-14 03:20:46,099 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2520 transitions. Word has length 310 [2020-10-14 03:20:46,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:46,099 INFO L479 AbstractCegarLoop]: Abstraction has 2240 states and 2520 transitions. [2020-10-14 03:20:46,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2520 transitions. [2020-10-14 03:20:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 03:20:46,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:46,106 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:46,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:20:46,106 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:46,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:46,107 INFO L82 PathProgramCache]: Analyzing trace with hash -912621852, now seen corresponding path program 1 times [2020-10-14 03:20:46,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:46,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533704267] [2020-10-14 03:20:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:46,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:48,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 03:20:48,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2791 [2020-10-14 03:20:48,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:48,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:20:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 03:20:48,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:49,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:49,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:49,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:49,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:49,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:49,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:49,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:20:49,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:49,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:49,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:20:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:49,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:49,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:49,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:20:49,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:49,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 03:20:49,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:49,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:20:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:20:49,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533704267] [2020-10-14 03:20:49,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:49,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:49,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711685353] [2020-10-14 03:20:49,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:49,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:49,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:49,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:49,370 INFO L87 Difference]: Start difference. First operand 2240 states and 2520 transitions. Second operand 5 states. [2020-10-14 03:20:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:50,764 INFO L93 Difference]: Finished difference Result 5034 states and 5729 transitions. [2020-10-14 03:20:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:50,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-10-14 03:20:50,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:50,785 INFO L225 Difference]: With dead ends: 5034 [2020-10-14 03:20:50,785 INFO L226 Difference]: Without dead ends: 2800 [2020-10-14 03:20:50,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 03:20:50,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2020-10-14 03:20:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2610. [2020-10-14 03:20:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2610 states. [2020-10-14 03:20:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2610 states and 2947 transitions. [2020-10-14 03:20:50,895 INFO L78 Accepts]: Start accepts. Automaton has 2610 states and 2947 transitions. Word has length 313 [2020-10-14 03:20:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:50,897 INFO L479 AbstractCegarLoop]: Abstraction has 2610 states and 2947 transitions. [2020-10-14 03:20:50,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 2947 transitions. [2020-10-14 03:20:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 03:20:50,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:50,911 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:50,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:20:50,911 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:50,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:50,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1765331192, now seen corresponding path program 1 times [2020-10-14 03:20:50,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:50,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762806685] [2020-10-14 03:20:50,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:51,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:51,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:51,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:52,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:53,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:53,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2399 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 03:20:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:53,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:53,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:53,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:53,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:53,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:53,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:53,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:53,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:20:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:53,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:53,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:20:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 03:20:53,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762806685] [2020-10-14 03:20:53,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:53,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:53,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964547172] [2020-10-14 03:20:53,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:53,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:53,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:53,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:53,656 INFO L87 Difference]: Start difference. First operand 2610 states and 2947 transitions. Second operand 5 states. [2020-10-14 03:20:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:54,692 INFO L93 Difference]: Finished difference Result 5772 states and 6604 transitions. [2020-10-14 03:20:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:54,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-14 03:20:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:54,707 INFO L225 Difference]: With dead ends: 5772 [2020-10-14 03:20:54,707 INFO L226 Difference]: Without dead ends: 2428 [2020-10-14 03:20:54,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:20:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2020-10-14 03:20:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2424. [2020-10-14 03:20:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2424 states. [2020-10-14 03:20:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 2705 transitions. [2020-10-14 03:20:54,771 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 2705 transitions. Word has length 319 [2020-10-14 03:20:54,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:54,772 INFO L479 AbstractCegarLoop]: Abstraction has 2424 states and 2705 transitions. [2020-10-14 03:20:54,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2705 transitions. [2020-10-14 03:20:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-10-14 03:20:54,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:54,782 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:54,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:20:54,783 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:54,784 INFO L82 PathProgramCache]: Analyzing trace with hash -354824933, now seen corresponding path program 1 times [2020-10-14 03:20:54,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:54,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287633195] [2020-10-14 03:20:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:54,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:56,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:57,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 366 [2020-10-14 03:20:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 03:20:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:59,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:59,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:59,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:59,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:59,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:59,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:59,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:59,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:59,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:59,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:59,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:20:59,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:59,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:59,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:59,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:00,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:00,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 03:21:00,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 03:21:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-14 03:21:00,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287633195] [2020-10-14 03:21:00,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:00,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:00,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737374256] [2020-10-14 03:21:00,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:00,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:00,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:00,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:00,211 INFO L87 Difference]: Start difference. First operand 2424 states and 2705 transitions. Second operand 5 states. [2020-10-14 03:21:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:01,438 INFO L93 Difference]: Finished difference Result 5944 states and 6651 transitions. [2020-10-14 03:21:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:01,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 402 [2020-10-14 03:21:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:01,441 INFO L225 Difference]: With dead ends: 5944 [2020-10-14 03:21:01,441 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:21:01,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:21:01,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:21:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:21:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:21:01,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 402 [2020-10-14 03:21:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:01,453 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:21:01,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:21:01,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:21:01,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:21:01,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:21:01,926 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 30 [2020-10-14 03:21:02,186 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 30 [2020-10-14 03:21:02,570 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2020-10-14 03:21:02,712 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:21:02,713 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:21:02,713 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:21:02,713 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:21:02,713 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:21:02,714 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,714 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,714 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,714 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:21:02,714 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:21:02,714 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,715 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:21:02,716 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:21:02,717 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,718 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,719 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:21:02,720 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:21:02,721 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,722 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:21:02,723 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:21:02,724 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:21:02,725 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:21:02,725 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:21:02,725 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse4 (not (<= |old(~a21~0)| 8))) (.cse0 (and .cse1 (= ~a21~0 |old(~a21~0)|) .cse2 .cse3))) (and (or (not (<= |old(~a24~0)| 1)) .cse0 (not (<= |old(~a21~0)| 6))) (or .cse0 (not (= 5 |old(~a15~0)|))) (or (and .cse1 .cse2 (= ~a21~0 ~a15~0) .cse3) .cse4 (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse0 (not (<= 12 |old(~a12~0)|))) (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse4) (or (not (= 6 |old(~a15~0)|)) .cse0) (or .cse0 (not (= 8 |old(~a15~0)|))) (or (not (= 10 |old(~a21~0)|)) .cse0)))) [2020-10-14 03:21:02,725 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:21:02,725 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:21:02,725 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:21:02,726 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:21:02,727 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:21:02,728 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,729 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,730 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:21:02,731 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:21:02,732 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:21:02,733 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:21:02,734 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,735 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:21:02,736 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:21:02,737 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:21:02,738 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:21:02,739 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:21:02,740 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:21:02,741 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:21:02,741 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:21:02,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:21:02,741 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (<= ~a21~0 8)) [2020-10-14 03:21:02,741 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:21:02,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:21:02,741 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|)) (not (<= |old(~a21~0)| 8))) [2020-10-14 03:21:02,742 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:21:02,742 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 8))) (or (= 5 ~a15~0) (<= 12 ~a12~0) (= ~a21~0 10) (= ~a15~0 8) (and (= ~a21~0 ~a15~0) .cse0) (not (= 8 |old(~a15~0)|)) (and (<= 8 ~a21~0) .cse0) (= ~a15~0 6) (not (<= |old(~a21~0)| 8)) (and (<= ~a24~0 1) (<= ~a21~0 6)))) [2020-10-14 03:21:02,742 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:21:02,742 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:21:02,742 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 8))) (or (= 5 ~a15~0) (<= 12 ~a12~0) (= ~a21~0 10) (= ~a15~0 8) (and (= ~a21~0 ~a15~0) .cse0) (not (= 8 |old(~a15~0)|)) (and (<= 8 ~a21~0) .cse0) (= ~a15~0 6) (not (<= |old(~a21~0)| 8)) (and (<= ~a24~0 1) (<= ~a21~0 6)))) [2020-10-14 03:21:02,742 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:21:02,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:21:02 BoogieIcfgContainer [2020-10-14 03:21:02,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:21:02,768 INFO L168 Benchmark]: Toolchain (without parser) took 58832.91 ms. Allocated memory was 147.3 MB in the beginning and 1.1 GB in the end (delta: 948.4 MB). Free memory was 100.5 MB in the beginning and 803.3 MB in the end (delta: -702.8 MB). Peak memory consumption was 245.6 MB. Max. memory is 7.1 GB. [2020-10-14 03:21:02,769 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 03:21:02,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.48 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 100.1 MB in the beginning and 168.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-10-14 03:21:02,770 INFO L168 Benchmark]: Boogie Preprocessor took 132.46 ms. Allocated memory is still 206.0 MB. Free memory was 168.3 MB in the beginning and 162.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:21:02,771 INFO L168 Benchmark]: RCFGBuilder took 1541.68 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 162.1 MB in the beginning and 155.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2020-10-14 03:21:02,772 INFO L168 Benchmark]: TraceAbstraction took 56286.82 ms. Allocated memory was 239.1 MB in the beginning and 1.1 GB in the end (delta: 856.7 MB). Free memory was 155.7 MB in the beginning and 803.3 MB in the end (delta: -647.6 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:21:02,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 866.48 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 100.1 MB in the beginning and 168.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.46 ms. Allocated memory is still 206.0 MB. Free memory was 168.3 MB in the beginning and 162.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1541.68 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 162.1 MB in the beginning and 155.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56286.82 ms. Allocated memory was 239.1 MB in the beginning and 1.1 GB in the end (delta: 856.7 MB). Free memory was 155.7 MB in the beginning and 803.3 MB in the end (delta: -647.6 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((5 == a15 || 12 <= a12) || a21 == 10) || a15 == 8) || (a21 == a15 && a21 <= 8)) || !(8 == \old(a15))) || (8 <= a21 && a21 <= 8)) || a15 == 6) || !(\old(a21) <= 8)) || (a24 <= 1 && a21 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 296 SDtfs, 4184 SDslu, 332 SDs, 0 SdLazy, 9590 SolverSat, 901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 73 SyntacticMatches, 7 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2610occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 544 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 173 NumberOfFragments, 308 HoareAnnotationTreeSize, 109 FomulaSimplifications, 442672 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1267 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 37.5s InterpolantComputationTime, 2446 NumberOfCodeBlocks, 2446 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2436 ConstructedInterpolants, 0 QuantifiedInterpolants, 1301222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1297/1313 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...