/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:01:26,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:01:26,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:01:26,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:01:26,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:01:26,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:01:26,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:01:26,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:01:26,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:01:26,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:01:26,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:01:26,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:01:26,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:01:26,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:01:26,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:01:26,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:01:26,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:01:26,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:01:26,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:01:26,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:01:26,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:01:26,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:01:26,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:01:26,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:01:26,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:01:26,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:01:26,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:01:26,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:01:26,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:01:26,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:01:26,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:01:26,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:01:26,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:01:26,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:01:26,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:01:26,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:01:26,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:01:26,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:01:26,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:01:26,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:01:26,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:01:26,526 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 [2020-10-28 12:01:26,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:01:26,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:01:26,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:01:26,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:01:26,581 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:01:26,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:01:26,581 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:01:26,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:01:26,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:01:26,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:01:26,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:01:26,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:01:26,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:01:26,584 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:01:26,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:01:26,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:01:26,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:01:26,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:01:26,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:01:26,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:01:26,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:01:26,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:01:26,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:01:26,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:01:26,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:01:26,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:01:26,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:01:26,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:01:26,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:01:26,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:01:27,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:01:27,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:01:27,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:01:27,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:01:27,116 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:01:27,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label55.c [2020-10-28 12:01:27,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f36f62c71/5ea914dc90584236a65f213cea14be9e/FLAG3732bc0ba [2020-10-28 12:01:28,011 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:01:28,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label55.c [2020-10-28 12:01:28,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f36f62c71/5ea914dc90584236a65f213cea14be9e/FLAG3732bc0ba [2020-10-28 12:01:28,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f36f62c71/5ea914dc90584236a65f213cea14be9e [2020-10-28 12:01:28,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:01:28,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:01:28,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:01:28,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:01:28,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:01:28,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:28,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39de5959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28, skipping insertion in model container [2020-10-28 12:01:28,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:28,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:01:28,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:01:28,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:01:28,796 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:01:28,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:01:28,979 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:01:28,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28 WrapperNode [2020-10-28 12:01:28,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:01:28,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:01:28,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:01:28,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:01:28,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:28,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:29,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:29,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:29,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:29,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:29,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (1/1) ... [2020-10-28 12:01:29,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:01:29,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:01:29,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:01:29,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:01:29,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (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 [2020-10-28 12:01:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:01:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:01:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:01:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:01:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:01:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:01:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:01:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:01:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:01:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:01:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:01:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:01:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:01:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:01:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:01:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:01:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:01:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:01:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:01:30,602 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:01:30,603 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:01:30,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:01:30 BoogieIcfgContainer [2020-10-28 12:01:30,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:01:30,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:01:30,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:01:30,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:01:30,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:01:28" (1/3) ... [2020-10-28 12:01:30,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41764ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:01:30, skipping insertion in model container [2020-10-28 12:01:30,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:28" (2/3) ... [2020-10-28 12:01:30,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41764ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:01:30, skipping insertion in model container [2020-10-28 12:01:30,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:01:30" (3/3) ... [2020-10-28 12:01:30,620 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label55.c [2020-10-28 12:01:30,632 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:01:30,638 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:01:30,653 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:01:30,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:01:30,685 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:01:30,685 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:01:30,685 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:01:30,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:01:30,686 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:01:30,686 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:01:30,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:01:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 12:01:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-28 12:01:30,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:30,719 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] [2020-10-28 12:01:30,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:30,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:30,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1481450178, now seen corresponding path program 1 times [2020-10-28 12:01:30,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:30,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834764007] [2020-10-28 12:01:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:31,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:31,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 12:01:31,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-28 12:01:31,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:31,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:01:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 12:01:31,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:01:31,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:31,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:01:31,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:31,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:31,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:01:31,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:31,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834764007] [2020-10-28 12:01:31,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:01:31,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:01:31,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304613787] [2020-10-28 12:01:31,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:01:31,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:31,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:01:31,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:01:31,746 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 12:01:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:33,679 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 12:01:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:33,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-28 12:01:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:33,696 INFO L225 Difference]: With dead ends: 586 [2020-10-28 12:01:33,696 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 12:01:33,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 12:01:33,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 12:01:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 12:01:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 12:01:33,788 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 25 [2020-10-28 12:01:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:33,788 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 12:01:33,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:01:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 12:01:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 12:01:33,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:33,794 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:01:33,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:01:33,794 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:33,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1963812639, now seen corresponding path program 1 times [2020-10-28 12:01:33,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:33,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881958387] [2020-10-28 12:01:33,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:33,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:33,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:34,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 12:01:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-10-28 12:01:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:34,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:01:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 12:01:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:34,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:34,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:34,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 12:01:34,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:34,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:01:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:34,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:34,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:34,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:01:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 12:01:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:34,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:01:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:35,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881958387] [2020-10-28 12:01:35,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:35,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:01:35,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643593371] [2020-10-28 12:01:35,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:01:35,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:35,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:01:35,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:35,026 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 12:01:36,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:36,790 INFO L93 Difference]: Finished difference Result 886 states and 1199 transitions. [2020-10-28 12:01:36,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:36,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-10-28 12:01:36,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:36,802 INFO L225 Difference]: With dead ends: 886 [2020-10-28 12:01:36,802 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 12:01:36,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 12:01:36,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 12:01:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 12:01:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 757 transitions. [2020-10-28 12:01:36,891 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 757 transitions. Word has length 95 [2020-10-28 12:01:36,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:36,892 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 757 transitions. [2020-10-28 12:01:36,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:01:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 757 transitions. [2020-10-28 12:01:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 12:01:36,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:36,897 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:01:36,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:01:36,897 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:36,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:36,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1711452285, now seen corresponding path program 1 times [2020-10-28 12:01:36,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:36,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098461901] [2020-10-28 12:01:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:37,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:37,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:01:37,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:37,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-28 12:01:37,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:37,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:37,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:37,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:01:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 12:01:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:37,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:37,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:37,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:01:37,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:37,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:37,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:37,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:01:37,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 12:01:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:37,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:37,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098461901] [2020-10-28 12:01:37,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:37,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:01:37,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836549361] [2020-10-28 12:01:37,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:01:37,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:37,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:01:37,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:37,498 INFO L87 Difference]: Start difference. First operand 589 states and 757 transitions. Second operand 5 states. [2020-10-28 12:01:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:39,203 INFO L93 Difference]: Finished difference Result 1466 states and 1965 transitions. [2020-10-28 12:01:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:39,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-28 12:01:39,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:39,213 INFO L225 Difference]: With dead ends: 1466 [2020-10-28 12:01:39,214 INFO L226 Difference]: Without dead ends: 883 [2020-10-28 12:01:39,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:39,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-28 12:01:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 879. [2020-10-28 12:01:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-28 12:01:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1133 transitions. [2020-10-28 12:01:39,254 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1133 transitions. Word has length 104 [2020-10-28 12:01:39,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:39,255 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1133 transitions. [2020-10-28 12:01:39,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:01:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1133 transitions. [2020-10-28 12:01:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 12:01:39,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:39,261 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:39,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:01:39,261 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:39,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash 528916950, now seen corresponding path program 1 times [2020-10-28 12:01:39,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:39,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78548377] [2020-10-28 12:01:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:39,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:41,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:41,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-28 12:01:41,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:01:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1699 [2020-10-28 12:01:41,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:41,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:41,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:01:41,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:01:41,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:41,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:41,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:41,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:41,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:41,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:01:41,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 12:01:41,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:41,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:41,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 12:01:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:41,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:41,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:01:41,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 12:01:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:41,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:01:41,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78548377] [2020-10-28 12:01:41,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:41,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:41,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643340767] [2020-10-28 12:01:41,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:41,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:41,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:41,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:41,596 INFO L87 Difference]: Start difference. First operand 879 states and 1133 transitions. Second operand 7 states. [2020-10-28 12:01:43,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:43,989 INFO L93 Difference]: Finished difference Result 2299 states and 3258 transitions. [2020-10-28 12:01:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:01:43,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-10-28 12:01:43,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:44,002 INFO L225 Difference]: With dead ends: 2299 [2020-10-28 12:01:44,002 INFO L226 Difference]: Without dead ends: 1120 [2020-10-28 12:01:44,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:01:44,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2020-10-28 12:01:44,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1040. [2020-10-28 12:01:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2020-10-28 12:01:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1288 transitions. [2020-10-28 12:01:44,070 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1288 transitions. Word has length 177 [2020-10-28 12:01:44,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:44,071 INFO L481 AbstractCegarLoop]: Abstraction has 1040 states and 1288 transitions. [2020-10-28 12:01:44,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1288 transitions. [2020-10-28 12:01:44,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-28 12:01:44,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:44,075 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:44,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:01:44,075 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:44,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:44,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1576973084, now seen corresponding path program 1 times [2020-10-28 12:01:44,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:44,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981133996] [2020-10-28 12:01:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:44,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:44,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:44,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:45,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-28 12:01:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:01:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1122 [2020-10-28 12:01:45,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:45,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:01:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 12:01:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:45,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:45,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:45,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:45,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:45,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:01:45,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:45,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:45,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:01:45,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 12:01:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:45,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:01:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:01:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:45,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:45,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:01:45,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-28 12:01:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:45,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 12:01:45,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 82 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:01:45,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981133996] [2020-10-28 12:01:45,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:45,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:01:45,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350834585] [2020-10-28 12:01:45,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:01:45,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:45,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:01:45,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:45,826 INFO L87 Difference]: Start difference. First operand 1040 states and 1288 transitions. Second operand 6 states. [2020-10-28 12:01:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:47,536 INFO L93 Difference]: Finished difference Result 2535 states and 3229 transitions. [2020-10-28 12:01:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:01:47,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2020-10-28 12:01:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:47,548 INFO L225 Difference]: With dead ends: 2535 [2020-10-28 12:01:47,548 INFO L226 Difference]: Without dead ends: 1354 [2020-10-28 12:01:47,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:01:47,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-10-28 12:01:47,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1342. [2020-10-28 12:01:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2020-10-28 12:01:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1699 transitions. [2020-10-28 12:01:47,614 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1699 transitions. Word has length 185 [2020-10-28 12:01:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:47,615 INFO L481 AbstractCegarLoop]: Abstraction has 1342 states and 1699 transitions. [2020-10-28 12:01:47,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:01:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1699 transitions. [2020-10-28 12:01:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-28 12:01:47,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:47,619 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:47,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:01:47,619 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:47,620 INFO L82 PathProgramCache]: Analyzing trace with hash 2114815486, now seen corresponding path program 1 times [2020-10-28 12:01:47,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:47,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789043932] [2020-10-28 12:01:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:47,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:48,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:49,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:52,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:52,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-28 12:01:52,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:01:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4609 [2020-10-28 12:01:52,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:52,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 12:01:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 12:01:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:52,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:52,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:52,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:52,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:52,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:52,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:52,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:01:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 12:01:52,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:52,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 12:01:52,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:52,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 12:01:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:52,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:52,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:52,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:52,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:01:52,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-28 12:01:52,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:52,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 12:01:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 89 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:01:52,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789043932] [2020-10-28 12:01:52,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:52,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:01:52,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720424387] [2020-10-28 12:01:52,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:01:52,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:52,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:01:52,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:52,910 INFO L87 Difference]: Start difference. First operand 1342 states and 1699 transitions. Second operand 6 states. [2020-10-28 12:01:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:54,551 INFO L93 Difference]: Finished difference Result 2986 states and 3888 transitions. [2020-10-28 12:01:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:01:54,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-10-28 12:01:54,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:54,564 INFO L225 Difference]: With dead ends: 2986 [2020-10-28 12:01:54,564 INFO L226 Difference]: Without dead ends: 1650 [2020-10-28 12:01:54,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:01:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2020-10-28 12:01:54,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1638. [2020-10-28 12:01:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2020-10-28 12:01:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2138 transitions. [2020-10-28 12:01:54,637 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2138 transitions. Word has length 192 [2020-10-28 12:01:54,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:54,637 INFO L481 AbstractCegarLoop]: Abstraction has 1638 states and 2138 transitions. [2020-10-28 12:01:54,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:01:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2138 transitions. [2020-10-28 12:01:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-28 12:01:54,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:54,643 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:54,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:01:54,643 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:54,644 INFO L82 PathProgramCache]: Analyzing trace with hash 565012434, now seen corresponding path program 1 times [2020-10-28 12:01:54,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:54,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354443728] [2020-10-28 12:01:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:54,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:56,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:57,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:57,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-28 12:01:57,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:01:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2866 [2020-10-28 12:01:57,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:57,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 12:01:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 12:01:57,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:57,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:57,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:57,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:57,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:01:57,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:57,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:57,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:57,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:57,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:01:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:57,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:57,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 12:01:57,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:57,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 12:01:57,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:57,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 12:01:57,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 12:01:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:57,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:57,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:57,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:01:57,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:57,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 12:01:57,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:57,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:57,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 12:01:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:01:58,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354443728] [2020-10-28 12:01:58,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:58,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:58,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713132273] [2020-10-28 12:01:58,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:58,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:58,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:58,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:58,059 INFO L87 Difference]: Start difference. First operand 1638 states and 2138 transitions. Second operand 7 states. [2020-10-28 12:02:00,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:00,369 INFO L93 Difference]: Finished difference Result 4169 states and 5527 transitions. [2020-10-28 12:02:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:02:00,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-10-28 12:02:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:00,395 INFO L225 Difference]: With dead ends: 4169 [2020-10-28 12:02:00,395 INFO L226 Difference]: Without dead ends: 2537 [2020-10-28 12:02:00,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:02:00,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2020-10-28 12:02:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2373. [2020-10-28 12:02:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2373 states. [2020-10-28 12:02:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 2951 transitions. [2020-10-28 12:02:00,494 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 2951 transitions. Word has length 202 [2020-10-28 12:02:00,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:00,494 INFO L481 AbstractCegarLoop]: Abstraction has 2373 states and 2951 transitions. [2020-10-28 12:02:00,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 2951 transitions. [2020-10-28 12:02:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 12:02:00,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:00,500 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:02:00,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:02:00,500 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:00,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:00,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1270711256, now seen corresponding path program 1 times [2020-10-28 12:02:00,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:00,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41417252] [2020-10-28 12:02:00,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:00,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:00,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:04,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 12:02:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3970 [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 12:02:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:04,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:04,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:04,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:04,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:04,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:02:04,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:04,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:04,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:04,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:04,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:04,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:04,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 12:02:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 12:02:04,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:04,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:04,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:04,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 12:02:04,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:02:04,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 12:02:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:04,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:04,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:04,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:04,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:02:04,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:02:04,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 12:02:04,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:04,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 12:02:04,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-28 12:02:05,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41417252] [2020-10-28 12:02:05,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:05,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:02:05,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706039973] [2020-10-28 12:02:05,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:02:05,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:05,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:02:05,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:02:05,061 INFO L87 Difference]: Start difference. First operand 2373 states and 2951 transitions. Second operand 6 states. [2020-10-28 12:02:07,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:07,768 INFO L93 Difference]: Finished difference Result 6913 states and 8747 transitions. [2020-10-28 12:02:07,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:02:07,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2020-10-28 12:02:07,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:07,797 INFO L225 Difference]: With dead ends: 6913 [2020-10-28 12:02:07,798 INFO L226 Difference]: Without dead ends: 4256 [2020-10-28 12:02:07,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:02:07,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4256 states. [2020-10-28 12:02:07,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4256 to 3968. [2020-10-28 12:02:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3968 states. [2020-10-28 12:02:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5017 transitions. [2020-10-28 12:02:07,945 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5017 transitions. Word has length 211 [2020-10-28 12:02:07,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:07,945 INFO L481 AbstractCegarLoop]: Abstraction has 3968 states and 5017 transitions. [2020-10-28 12:02:07,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:02:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5017 transitions. [2020-10-28 12:02:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-28 12:02:07,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:07,954 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:02:07,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:02:07,954 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:07,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:07,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1095852028, now seen corresponding path program 1 times [2020-10-28 12:02:07,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:07,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920324858] [2020-10-28 12:02:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:08,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:09,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:09,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 12:02:09,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:02:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1340 [2020-10-28 12:02:09,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:09,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:02:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-28 12:02:09,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:09,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:09,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:09,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:09,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:09,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:02:09,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:09,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:09,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:09,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:09,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:09,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:02:09,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:09,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:02:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:09,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:09,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:09,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 12:02:09,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-28 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 12:02:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:02:10,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920324858] [2020-10-28 12:02:10,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:10,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:02:10,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312134793] [2020-10-28 12:02:10,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:02:10,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:10,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:02:10,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:02:10,167 INFO L87 Difference]: Start difference. First operand 3968 states and 5017 transitions. Second operand 7 states. [2020-10-28 12:02:12,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:12,250 INFO L93 Difference]: Finished difference Result 7948 states and 10080 transitions. [2020-10-28 12:02:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:02:12,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-10-28 12:02:12,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:12,273 INFO L225 Difference]: With dead ends: 7948 [2020-10-28 12:02:12,273 INFO L226 Difference]: Without dead ends: 3986 [2020-10-28 12:02:12,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:02:12,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2020-10-28 12:02:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3686. [2020-10-28 12:02:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2020-10-28 12:02:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 4556 transitions. [2020-10-28 12:02:12,406 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 4556 transitions. Word has length 236 [2020-10-28 12:02:12,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:12,406 INFO L481 AbstractCegarLoop]: Abstraction has 3686 states and 4556 transitions. [2020-10-28 12:02:12,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 4556 transitions. [2020-10-28 12:02:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-28 12:02:12,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:12,415 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:02:12,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:02:12,415 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:12,416 INFO L82 PathProgramCache]: Analyzing trace with hash 69481634, now seen corresponding path program 1 times [2020-10-28 12:02:12,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:12,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720198970] [2020-10-28 12:02:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:12,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:16,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:16,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 12:02:16,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:02:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4110 [2020-10-28 12:02:16,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:16,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 12:02:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-28 12:02:16,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:16,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:16,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:16,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:02:16,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:16,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:16,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:16,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:02:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 12:02:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:16,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 12:02:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:16,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 12:02:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:16,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-28 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 12:02:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:17,260 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:02:17,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720198970] [2020-10-28 12:02:17,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:17,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:02:17,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647138776] [2020-10-28 12:02:17,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:02:17,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:17,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:02:17,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:02:17,263 INFO L87 Difference]: Start difference. First operand 3686 states and 4556 transitions. Second operand 7 states. [2020-10-28 12:02:19,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:19,388 INFO L93 Difference]: Finished difference Result 7382 states and 9146 transitions. [2020-10-28 12:02:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:02:19,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 243 [2020-10-28 12:02:19,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:19,407 INFO L225 Difference]: With dead ends: 7382 [2020-10-28 12:02:19,407 INFO L226 Difference]: Without dead ends: 3702 [2020-10-28 12:02:19,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:02:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2020-10-28 12:02:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3255. [2020-10-28 12:02:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3255 states. [2020-10-28 12:02:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 3688 transitions. [2020-10-28 12:02:19,512 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 3688 transitions. Word has length 243 [2020-10-28 12:02:19,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:19,512 INFO L481 AbstractCegarLoop]: Abstraction has 3255 states and 3688 transitions. [2020-10-28 12:02:19,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 3688 transitions. [2020-10-28 12:02:19,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-28 12:02:19,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:19,522 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:02:19,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:02:19,523 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:19,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:19,524 INFO L82 PathProgramCache]: Analyzing trace with hash -291438442, now seen corresponding path program 1 times [2020-10-28 12:02:19,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:19,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841127276] [2020-10-28 12:02:19,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 12:02:19,654 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 12:02:19,655 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 12:02:19,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:02:19,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:02:19 BoogieIcfgContainer [2020-10-28 12:02:19,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:02:19,715 INFO L168 Benchmark]: Toolchain (without parser) took 51508.99 ms. Allocated memory was 155.2 MB in the beginning and 901.8 MB in the end (delta: 746.6 MB). Free memory was 128.0 MB in the beginning and 435.6 MB in the end (delta: -307.7 MB). Peak memory consumption was 440.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:19,716 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 155.2 MB. Free memory is still 128.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:02:19,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.23 ms. Allocated memory is still 155.2 MB. Free memory was 127.2 MB in the beginning and 100.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:19,720 INFO L168 Benchmark]: Boogie Preprocessor took 173.26 ms. Allocated memory is still 155.2 MB. Free memory was 100.6 MB in the beginning and 96.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:19,721 INFO L168 Benchmark]: RCFGBuilder took 1451.06 ms. Allocated memory was 155.2 MB in the beginning and 207.6 MB in the end (delta: 52.4 MB). Free memory was 96.0 MB in the beginning and 181.4 MB in the end (delta: -85.3 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:19,726 INFO L168 Benchmark]: TraceAbstraction took 49101.92 ms. Allocated memory was 207.6 MB in the beginning and 901.8 MB in the end (delta: 694.2 MB). Free memory was 180.9 MB in the beginning and 435.6 MB in the end (delta: -254.8 MB). Peak memory consumption was 439.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:19,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 155.2 MB. Free memory is still 128.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 763.23 ms. Allocated memory is still 155.2 MB. Free memory was 127.2 MB in the beginning and 100.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 173.26 ms. Allocated memory is still 155.2 MB. Free memory was 100.6 MB in the beginning and 96.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1451.06 ms. Allocated memory was 155.2 MB in the beginning and 207.6 MB in the end (delta: 52.4 MB). Free memory was 96.0 MB in the beginning and 181.4 MB in the end (delta: -85.3 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 49101.92 ms. Allocated memory was 207.6 MB in the beginning and 901.8 MB in the end (delta: 694.2 MB). Free memory was 180.9 MB in the beginning and 435.6 MB in the end (delta: -254.8 MB). Peak memory consumption was 439.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputC = 3; [L10] int inputD = 4; [L11] int inputE = 5; [L12] int inputF = 6; [L13] int inputB = 2; [L16] int a1 = 23; [L17] int a19 = 9; [L18] int a10 = 0; [L19] int a12 = 0; [L20] int a4 = 14; [L581] int output = -1; [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND TRUE ((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0)) [L428] a1 = ((((a1 / 5) * 5) / 5) + 505228) [L429] a10 = 1 [L431] return 25; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L467] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L473] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L478] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L483] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L489] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L495] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L501] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L506] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L511] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L516] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L519] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L525] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L528] COND FALSE !(((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)))))) [L531] COND FALSE !(((a19==9) && (((a10==1) && ((a12==0) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a4==14)))) [L536] COND FALSE !(((a19==9) && ((a4==14) && ((a10==1) && (((input == 5) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a12==0)))))) [L542] COND FALSE !(((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0)))) [L547] COND FALSE !(((a4==14) && (((a12==0) && ((a19==9) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a10==4)))) [L550] COND FALSE !(((((( ((38 < a1) && (218 >= a1)) && (input == 3)) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10))) [L556] COND FALSE !((((a4==14) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 4)) && (a12==0)) && (a19==9))) && (a10==2))) [L559] COND TRUE ((a12==0) && ((( 218 < a1 && ((a19==9) && (input == 5))) && (a10==1)) && (a4==14))) [L560] a1 = ((((a1 * 9)/ 10) + 58620) - 603783) [L561] a10 = 4 [L562] a19 = 8 [L564] return -1; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND TRUE (((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8)) [L60] CALL reach_error() [L4] __assert_fail("0", "Problem10_label55.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 48.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 4020 SDslu, 306 SDs, 0 SdLazy, 8490 SolverSat, 1400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3968occurred 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: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1315 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 1951 NumberOfCodeBlocks, 1951 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1660 ConstructedInterpolants, 0 QuantifiedInterpolants, 885477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 770/816 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 incorrect! Received shutdown request...