/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=SHALLOWEST --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/Problem11_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:42:24,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:42:24,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:42:24,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:42:24,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:42:24,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:42:24,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:42:24,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:42:24,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:42:24,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:42:24,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:42:24,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:42:24,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:42:24,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:42:24,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:42:24,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:42:24,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:42:24,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:42:24,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:42:24,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:42:24,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:42:24,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:42:24,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:42:24,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:42:24,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:42:24,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:42:24,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:42:24,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:42:24,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:42:24,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:42:24,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:42:24,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:42:24,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:42:24,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:42:24,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:42:24,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:42:24,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:42:24,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:42:24,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:42:24,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:42:24,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:42:24,384 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 [2020-10-26 22:42:24,433 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:42:24,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:42:24,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:42:24,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:42:24,439 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:42:24,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:42:24,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:42:24,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:42:24,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:42:24,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:42:24,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:42:24,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:42:24,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:42:24,442 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:42:24,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:42:24,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:42:24,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:42:24,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:42:24,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:42:24,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:42:24,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:42:24,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:42:24,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:42:24,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:42:24,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:42:24,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:42:24,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:42:24,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:42:24,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:42:24,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:42:24,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:42:24,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:42:24,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:42:24,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:42:24,930 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:42:24,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label43.c [2020-10-26 22:42:25,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/733f5e0d8/c9d9d2c07198483b84ab34573e0e46be/FLAG4e9bc89ca [2020-10-26 22:42:25,972 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:42:25,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label43.c [2020-10-26 22:42:25,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/733f5e0d8/c9d9d2c07198483b84ab34573e0e46be/FLAG4e9bc89ca [2020-10-26 22:42:26,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/733f5e0d8/c9d9d2c07198483b84ab34573e0e46be [2020-10-26 22:42:26,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:42:26,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:42:26,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:42:26,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:42:26,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:42:26,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:26,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d53f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26, skipping insertion in model container [2020-10-26 22:42:26,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:26,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:42:26,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:42:26,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:42:26,801 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:42:26,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:42:26,992 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:42:26,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26 WrapperNode [2020-10-26 22:42:26,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:42:26,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:42:26,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:42:26,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:42:27,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (1/1) ... [2020-10-26 22:42:27,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:42:27,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:42:27,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:42:27,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:42:27,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (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 [2020-10-26 22:42:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:42:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:42:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:42:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:42:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:42:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:42:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:42:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:42:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:42:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:42:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:42:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:42:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:42:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:42:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:42:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:42:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:42:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:42:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:42:29,767 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:42:29,768 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:42:29,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:29 BoogieIcfgContainer [2020-10-26 22:42:29,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:42:29,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:42:29,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:42:29,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:42:29,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:42:26" (1/3) ... [2020-10-26 22:42:29,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07135b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:42:29, skipping insertion in model container [2020-10-26 22:42:29,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:26" (2/3) ... [2020-10-26 22:42:29,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07135b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:42:29, skipping insertion in model container [2020-10-26 22:42:29,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:29" (3/3) ... [2020-10-26 22:42:29,782 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label43.c [2020-10-26 22:42:29,795 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:42:29,802 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:42:29,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:42:29,849 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:42:29,849 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:42:29,849 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:42:29,850 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:42:29,850 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:42:29,850 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:42:29,850 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:42:29,850 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:42:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-26 22:42:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-26 22:42:29,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:29,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:29,888 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:29,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:29,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1196752370, now seen corresponding path program 1 times [2020-10-26 22:42:29,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:29,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995198210] [2020-10-26 22:42:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:30,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:30,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:30,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 22:42:30,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:30,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-26 22:42:30,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-26 22:42:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:42:30,964 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-26 22:42:30,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:30,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:31,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:31,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 22:42:31,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:42:31,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995198210] [2020-10-26 22:42:31,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:42:31,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:42:31,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572775586] [2020-10-26 22:42:31,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:42:31,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:31,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:42:31,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:42:31,090 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-26 22:42:31,287 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-26 22:42:34,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:34,835 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-26 22:42:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:42:34,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-26 22:42:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:34,854 INFO L225 Difference]: With dead ends: 793 [2020-10-26 22:42:34,854 INFO L226 Difference]: Without dead ends: 432 [2020-10-26 22:42:34,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:42:34,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-26 22:42:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-26 22:42:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-26 22:42:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-26 22:42:34,961 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 19 [2020-10-26 22:42:34,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:34,962 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-26 22:42:34,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:42:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-26 22:42:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-26 22:42:34,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:34,967 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 22:42:34,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:42:34,968 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:34,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1736796621, now seen corresponding path program 1 times [2020-10-26 22:42:34,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:34,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560073147] [2020-10-26 22:42:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:35,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:36,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:42:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-26 22:42:36,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:42:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:36,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:36,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:36,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:36,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:36,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 22:42:36,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:36,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:36,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:36,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:42:36,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-26 22:42:36,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:42:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:42:36,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560073147] [2020-10-26 22:42:36,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:42:36,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:42:36,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655308341] [2020-10-26 22:42:36,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:36,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:36,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:36,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:36,874 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 7 states. [2020-10-26 22:42:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:40,259 INFO L93 Difference]: Finished difference Result 1274 states and 1869 transitions. [2020-10-26 22:42:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:42:40,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-26 22:42:40,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:40,273 INFO L225 Difference]: With dead ends: 1274 [2020-10-26 22:42:40,273 INFO L226 Difference]: Without dead ends: 854 [2020-10-26 22:42:40,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:42:40,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-26 22:42:40,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 823. [2020-10-26 22:42:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-10-26 22:42:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1128 transitions. [2020-10-26 22:42:40,337 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1128 transitions. Word has length 91 [2020-10-26 22:42:40,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:40,338 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1128 transitions. [2020-10-26 22:42:40,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1128 transitions. [2020-10-26 22:42:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-26 22:42:40,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:40,342 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 22:42:40,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:42:40,342 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:40,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:40,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1428737527, now seen corresponding path program 1 times [2020-10-26 22:42:40,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:40,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070495211] [2020-10-26 22:42:40,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:40,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:41,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-26 22:42:42,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:42:42,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1622 [2020-10-26 22:42:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:42:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:42,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:42,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 22:42:42,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:42,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:42:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:42,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-26 22:42:42,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-26 22:42:42,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:42:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:42:42,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070495211] [2020-10-26 22:42:42,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:42:42,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:42:42,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262913010] [2020-10-26 22:42:42,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:42,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:42,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:42,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:42,614 INFO L87 Difference]: Start difference. First operand 823 states and 1128 transitions. Second operand 7 states. [2020-10-26 22:42:46,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:46,038 INFO L93 Difference]: Finished difference Result 2061 states and 2784 transitions. [2020-10-26 22:42:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:42:46,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-26 22:42:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:46,053 INFO L225 Difference]: With dead ends: 2061 [2020-10-26 22:42:46,054 INFO L226 Difference]: Without dead ends: 1244 [2020-10-26 22:42:46,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:42:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2020-10-26 22:42:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1219. [2020-10-26 22:42:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-10-26 22:42:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1560 transitions. [2020-10-26 22:42:46,110 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1560 transitions. Word has length 93 [2020-10-26 22:42:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:46,111 INFO L481 AbstractCegarLoop]: Abstraction has 1219 states and 1560 transitions. [2020-10-26 22:42:46,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1560 transitions. [2020-10-26 22:42:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-26 22:42:46,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:46,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:46,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:42:46,115 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:46,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1449169338, now seen corresponding path program 1 times [2020-10-26 22:42:46,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:46,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413564264] [2020-10-26 22:42:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:46,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:46,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:46,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-26 22:42:46,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:46,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-26 22:42:46,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:42:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-26 22:42:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-26 22:42:46,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:46,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:46,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:46,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:46,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 22:42:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:46,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:46,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:46,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-26 22:42:46,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:42:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:42:47,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413564264] [2020-10-26 22:42:47,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:47,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:42:47,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447611531] [2020-10-26 22:42:47,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:42:47,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:47,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:42:47,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:42:47,108 INFO L87 Difference]: Start difference. First operand 1219 states and 1560 transitions. Second operand 5 states. [2020-10-26 22:42:49,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:49,948 INFO L93 Difference]: Finished difference Result 2449 states and 3307 transitions. [2020-10-26 22:42:49,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:42:49,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-26 22:42:49,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:49,963 INFO L225 Difference]: With dead ends: 2449 [2020-10-26 22:42:49,963 INFO L226 Difference]: Without dead ends: 1614 [2020-10-26 22:42:49,967 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 [2020-10-26 22:42:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2020-10-26 22:42:50,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1603. [2020-10-26 22:42:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-26 22:42:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2116 transitions. [2020-10-26 22:42:50,047 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2116 transitions. Word has length 150 [2020-10-26 22:42:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:50,049 INFO L481 AbstractCegarLoop]: Abstraction has 1603 states and 2116 transitions. [2020-10-26 22:42:50,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:42:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2116 transitions. [2020-10-26 22:42:50,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-26 22:42:50,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:50,062 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:50,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:42:50,062 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:50,063 INFO L82 PathProgramCache]: Analyzing trace with hash 633146638, now seen corresponding path program 1 times [2020-10-26 22:42:50,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:50,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168839117] [2020-10-26 22:42:50,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:50,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:50,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-26 22:42:52,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:42:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1987 [2020-10-26 22:42:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:42:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-26 22:42:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:52,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:52,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:52,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:42:52,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:52,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:52,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:52,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:52,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:52,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-26 22:42:52,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:42:52,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:52,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:52,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:52,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-26 22:42:52,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:52,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-26 22:42:52,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:52,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:52,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-26 22:42:52,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 86 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:42:52,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168839117] [2020-10-26 22:42:52,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:52,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:42:52,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884013586] [2020-10-26 22:42:52,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:42:52,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:52,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:42:52,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:42:52,878 INFO L87 Difference]: Start difference. First operand 1603 states and 2116 transitions. Second operand 6 states. [2020-10-26 22:42:56,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:56,188 INFO L93 Difference]: Finished difference Result 3697 states and 5471 transitions. [2020-10-26 22:42:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:42:56,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2020-10-26 22:42:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:56,213 INFO L225 Difference]: With dead ends: 3697 [2020-10-26 22:42:56,213 INFO L226 Difference]: Without dead ends: 2478 [2020-10-26 22:42:56,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:42:56,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2020-10-26 22:42:56,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 2417. [2020-10-26 22:42:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2417 states. [2020-10-26 22:42:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 3272 transitions. [2020-10-26 22:42:56,355 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 3272 transitions. Word has length 215 [2020-10-26 22:42:56,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:56,356 INFO L481 AbstractCegarLoop]: Abstraction has 2417 states and 3272 transitions. [2020-10-26 22:42:56,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:42:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 3272 transitions. [2020-10-26 22:42:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-26 22:42:56,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:56,362 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:56,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:42:56,362 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:56,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:56,363 INFO L82 PathProgramCache]: Analyzing trace with hash -573430483, now seen corresponding path program 1 times [2020-10-26 22:42:56,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:56,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466312455] [2020-10-26 22:42:56,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:56,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:56,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:01,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:01,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-26 22:43:01,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:43:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4903 [2020-10-26 22:43:01,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:43:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:43:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 22:43:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:01,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:01,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:01,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:01,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:01,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 22:43:01,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:43:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:01,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:01,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:01,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:01,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:01,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-26 22:43:01,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 22:43:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:02,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:02,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:02,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-26 22:43:02,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-26 22:43:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-26 22:43:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:43:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 22 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:43:02,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466312455] [2020-10-26 22:43:02,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:02,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:02,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896790429] [2020-10-26 22:43:02,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:02,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:02,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:02,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:02,481 INFO L87 Difference]: Start difference. First operand 2417 states and 3272 transitions. Second operand 7 states. [2020-10-26 22:43:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:05,899 INFO L93 Difference]: Finished difference Result 5639 states and 8166 transitions. [2020-10-26 22:43:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:43:05,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-26 22:43:05,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:05,925 INFO L225 Difference]: With dead ends: 5639 [2020-10-26 22:43:05,925 INFO L226 Difference]: Without dead ends: 3606 [2020-10-26 22:43:05,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:43:05,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2020-10-26 22:43:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3397. [2020-10-26 22:43:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3397 states. [2020-10-26 22:43:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4561 transitions. [2020-10-26 22:43:06,050 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4561 transitions. Word has length 230 [2020-10-26 22:43:06,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:06,051 INFO L481 AbstractCegarLoop]: Abstraction has 3397 states and 4561 transitions. [2020-10-26 22:43:06,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4561 transitions. [2020-10-26 22:43:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-26 22:43:06,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:06,057 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:06,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:43:06,057 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:06,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:06,058 INFO L82 PathProgramCache]: Analyzing trace with hash -2077899, now seen corresponding path program 1 times [2020-10-26 22:43:06,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:06,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875456641] [2020-10-26 22:43:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:06,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:06,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:08,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:08,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-26 22:43:08,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2020 [2020-10-26 22:43:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:43:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-26 22:43:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:08,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:08,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:08,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:08,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:08,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:08,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:43:08,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:43:08,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:08,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:08,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:08,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:08,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-26 22:43:08,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:43:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:08,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:08,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-26 22:43:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-26 22:43:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-26 22:43:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:43:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:43:09,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875456641] [2020-10-26 22:43:09,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:09,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:09,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512500904] [2020-10-26 22:43:09,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:09,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:09,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:09,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:09,204 INFO L87 Difference]: Start difference. First operand 3397 states and 4561 transitions. Second operand 7 states. [2020-10-26 22:43:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:13,147 INFO L93 Difference]: Finished difference Result 7077 states and 9908 transitions. [2020-10-26 22:43:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:43:13,148 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-26 22:43:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:13,175 INFO L225 Difference]: With dead ends: 7077 [2020-10-26 22:43:13,175 INFO L226 Difference]: Without dead ends: 4064 [2020-10-26 22:43:13,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:13,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2020-10-26 22:43:13,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 3999. [2020-10-26 22:43:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-10-26 22:43:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 5346 transitions. [2020-10-26 22:43:13,375 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 5346 transitions. Word has length 247 [2020-10-26 22:43:13,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:13,376 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 5346 transitions. [2020-10-26 22:43:13,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 5346 transitions. [2020-10-26 22:43:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-26 22:43:13,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:13,383 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:13,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:43:13,383 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:13,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1308198519, now seen corresponding path program 1 times [2020-10-26 22:43:13,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:13,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812073749] [2020-10-26 22:43:13,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:13,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:13,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:14,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:15,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:15,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-26 22:43:15,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:43:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2034 [2020-10-26 22:43:15,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:43:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:43:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:15,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:15,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:15,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:43:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:15,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:15,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:15,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:15,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-26 22:43:15,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:15,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:15,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-26 22:43:16,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-26 22:43:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-26 22:43:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:43:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:43:16,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812073749] [2020-10-26 22:43:16,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:16,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:16,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667407916] [2020-10-26 22:43:16,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:16,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:16,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:16,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:16,451 INFO L87 Difference]: Start difference. First operand 3999 states and 5346 transitions. Second operand 7 states. [2020-10-26 22:43:20,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:20,033 INFO L93 Difference]: Finished difference Result 10518 states and 14393 transitions. [2020-10-26 22:43:20,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:43:20,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2020-10-26 22:43:20,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:20,073 INFO L225 Difference]: With dead ends: 10518 [2020-10-26 22:43:20,073 INFO L226 Difference]: Without dead ends: 6903 [2020-10-26 22:43:20,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:20,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6903 states. [2020-10-26 22:43:20,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 6695. [2020-10-26 22:43:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6695 states. [2020-10-26 22:43:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 8937 transitions. [2020-10-26 22:43:20,353 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 8937 transitions. Word has length 257 [2020-10-26 22:43:20,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:20,354 INFO L481 AbstractCegarLoop]: Abstraction has 6695 states and 8937 transitions. [2020-10-26 22:43:20,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 8937 transitions. [2020-10-26 22:43:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-26 22:43:20,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:20,361 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:20,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:43:20,362 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:20,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash 2119604147, now seen corresponding path program 1 times [2020-10-26 22:43:20,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:20,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883035441] [2020-10-26 22:43:20,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:21,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:21,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-26 22:43:21,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1390 [2020-10-26 22:43:21,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:43:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-26 22:43:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:21,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:21,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:21,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:21,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:43:21,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:22,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:22,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-26 22:43:22,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:22,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:22,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-26 22:43:22,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-26 22:43:22,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-26 22:43:22,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:43:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:43:22,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883035441] [2020-10-26 22:43:22,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:22,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:22,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520163756] [2020-10-26 22:43:22,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:22,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:22,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:22,808 INFO L87 Difference]: Start difference. First operand 6695 states and 8937 transitions. Second operand 7 states. [2020-10-26 22:43:26,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:26,988 INFO L93 Difference]: Finished difference Result 14033 states and 19299 transitions. [2020-10-26 22:43:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:43:26,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-10-26 22:43:26,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:27,031 INFO L225 Difference]: With dead ends: 14033 [2020-10-26 22:43:27,031 INFO L226 Difference]: Without dead ends: 7722 [2020-10-26 22:43:27,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:27,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7722 states. [2020-10-26 22:43:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7722 to 7638. [2020-10-26 22:43:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7638 states. [2020-10-26 22:43:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7638 states to 7638 states and 9826 transitions. [2020-10-26 22:43:27,282 INFO L78 Accepts]: Start accepts. Automaton has 7638 states and 9826 transitions. Word has length 263 [2020-10-26 22:43:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:27,282 INFO L481 AbstractCegarLoop]: Abstraction has 7638 states and 9826 transitions. [2020-10-26 22:43:27,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7638 states and 9826 transitions. [2020-10-26 22:43:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-26 22:43:27,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:27,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:27,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:43:27,290 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:27,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:27,291 INFO L82 PathProgramCache]: Analyzing trace with hash -258703392, now seen corresponding path program 1 times [2020-10-26 22:43:27,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:27,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804607769] [2020-10-26 22:43:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 22:43:27,366 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-26 22:43:27,366 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 22:43:27,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:43:27,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:43:27 BoogieIcfgContainer [2020-10-26 22:43:27,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:43:27,449 INFO L168 Benchmark]: Toolchain (without parser) took 61375.38 ms. Allocated memory was 125.8 MB in the beginning and 934.3 MB in the end (delta: 808.5 MB). Free memory was 98.2 MB in the beginning and 500.4 MB in the end (delta: -402.2 MB). Peak memory consumption was 407.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:43:27,450 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 86.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:43:27,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 913.44 ms. Allocated memory was 125.8 MB in the beginning and 165.7 MB in the end (delta: 39.8 MB). Free memory was 97.6 MB in the beginning and 125.7 MB in the end (delta: -28.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:43:27,452 INFO L168 Benchmark]: Boogie Preprocessor took 181.62 ms. Allocated memory is still 165.7 MB. Free memory was 125.7 MB in the beginning and 117.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-26 22:43:27,455 INFO L168 Benchmark]: RCFGBuilder took 2593.31 ms. Allocated memory is still 165.7 MB. Free memory was 117.8 MB in the beginning and 81.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 73.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:43:27,457 INFO L168 Benchmark]: TraceAbstraction took 57674.59 ms. Allocated memory was 165.7 MB in the beginning and 934.3 MB in the end (delta: 768.6 MB). Free memory was 80.8 MB in the beginning and 500.4 MB in the end (delta: -419.6 MB). Peak memory consumption was 349.4 MB. Max. memory is 8.0 GB. [2020-10-26 22:43:27,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 86.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 913.44 ms. Allocated memory was 125.8 MB in the beginning and 165.7 MB in the end (delta: 39.8 MB). Free memory was 97.6 MB in the beginning and 125.7 MB in the end (delta: -28.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 181.62 ms. Allocated memory is still 165.7 MB. Free memory was 125.7 MB in the beginning and 117.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2593.31 ms. Allocated memory is still 165.7 MB. Free memory was 117.8 MB in the beginning and 81.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 73.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 57674.59 ms. Allocated memory was 165.7 MB in the beginning and 934.3 MB in the end (delta: 768.6 MB). Free memory was 80.8 MB in the beginning and 500.4 MB in the end (delta: -419.6 MB). Peak memory consumption was 349.4 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 inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L529] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L530] a25 = 12 [L532] return 26; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND TRUE ((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15)) [L618] a29 = (((a29 + -194923) / 5) / 5) [L619] a23 = ((((a23 % 83)- -169) + 501114) - 501118) [L620] a25 = 13 [L622] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND TRUE ((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L44] CALL reach_error() [L4] __assert_fail("0", "Problem11_label43.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 5086 SDslu, 682 SDs, 0 SdLazy, 11869 SolverSat, 2266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7638occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 700 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 1830 NumberOfCodeBlocks, 1830 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1556 ConstructedInterpolants, 0 QuantifiedInterpolants, 1256626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 525/618 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...