/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:08:53,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:08:53,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:08:53,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:08:53,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:08:53,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:08:53,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:08:53,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:08:53,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:08:53,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:08:53,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:08:53,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:08:53,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:08:53,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:08:53,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:08:53,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:08:53,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:08:53,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:08:53,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:08:53,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:08:53,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:08:53,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:08:53,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:08:53,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:08:53,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:08:53,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:08:53,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:08:53,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:08:53,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:08:53,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:08:53,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:08:53,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:08:53,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:08:53,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:08:53,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:08:53,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:08:53,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:08:53,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:08:53,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:08:53,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:08:53,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:08:53,155 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 [2020-10-12 13:08:53,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:08:53,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:08:53,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:08:53,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:08:53,193 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:08:53,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:08:53,194 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:08:53,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:08:53,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:08:53,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:08:53,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:08:53,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:08:53,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:08:53,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:08:53,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:08:53,197 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:08:53,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:08:53,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:08:53,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:08:53,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:08:53,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:08:53,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:08:53,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:08:53,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:08:53,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:08:53,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:08:53,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:08:53,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:08:53,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:08:53,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:08:53,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:08:53,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:08:53,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:08:53,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:08:53,484 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:08:53,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label15.c [2020-10-12 13:08:53,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35618fedb/0417aac849274e3f97e6d8845ddfa6d8/FLAG4c9c345d2 [2020-10-12 13:08:54,068 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:08:54,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label15.c [2020-10-12 13:08:54,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35618fedb/0417aac849274e3f97e6d8845ddfa6d8/FLAG4c9c345d2 [2020-10-12 13:08:54,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35618fedb/0417aac849274e3f97e6d8845ddfa6d8 [2020-10-12 13:08:54,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:08:54,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:08:54,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:08:54,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:08:54,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:08:54,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:08:54" (1/1) ... [2020-10-12 13:08:54,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256ae262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:54, skipping insertion in model container [2020-10-12 13:08:54,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:08:54" (1/1) ... [2020-10-12 13:08:54,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:08:54,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:08:55,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:08:55,094 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:08:55,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:08:55,300 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:08:55,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55 WrapperNode [2020-10-12 13:08:55,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:08:55,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:08:55,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:08:55,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:08:55,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (1/1) ... [2020-10-12 13:08:55,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:08:55,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:08:55,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:08:55,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:08:55,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (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 [2020-10-12 13:08:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:08:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:08:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:08:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:08:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:08:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:08:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:08:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:08:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:08:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:08:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:08:57,238 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:08:57,239 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:08:57,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:08:57 BoogieIcfgContainer [2020-10-12 13:08:57,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:08:57,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:08:57,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:08:57,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:08:57,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:08:54" (1/3) ... [2020-10-12 13:08:57,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:08:57, skipping insertion in model container [2020-10-12 13:08:57,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:08:55" (2/3) ... [2020-10-12 13:08:57,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:08:57, skipping insertion in model container [2020-10-12 13:08:57,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:08:57" (3/3) ... [2020-10-12 13:08:57,254 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label15.c [2020-10-12 13:08:57,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:08:57,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:08:57,286 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:08:57,312 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:08:57,312 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:08:57,312 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:08:57,313 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:08:57,313 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:08:57,313 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:08:57,313 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:08:57,314 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:08:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-12 13:08:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 13:08:57,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:08:57,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:08:57,375 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:08:57,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:08:57,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1453317925, now seen corresponding path program 1 times [2020-10-12 13:08:57,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:08:57,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470327200] [2020-10-12 13:08:57,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:08:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:08:57,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:08:57,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:08:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 13:08:57,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:08:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-12 13:08:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:08:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:08:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:08:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 13:08:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:08:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:08:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:08:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:08:57,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:08:57,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:08:57,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:08:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 13:08:57,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:08:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:08:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:08:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:08:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:08:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:08:57,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470327200] [2020-10-12 13:08:57,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:08:57,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:08:57,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883264141] [2020-10-12 13:08:57,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:08:58,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:08:58,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:08:58,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:08:58,017 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-12 13:09:00,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:00,166 INFO L93 Difference]: Finished difference Result 805 states and 1402 transitions. [2020-10-12 13:09:00,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:00,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-12 13:09:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:00,186 INFO L225 Difference]: With dead ends: 805 [2020-10-12 13:09:00,186 INFO L226 Difference]: Without dead ends: 433 [2020-10-12 13:09:00,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:00,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-12 13:09:00,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 424. [2020-10-12 13:09:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-12 13:09:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 611 transitions. [2020-10-12 13:09:00,326 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 611 transitions. Word has length 20 [2020-10-12 13:09:00,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:00,327 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 611 transitions. [2020-10-12 13:09:00,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:09:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 611 transitions. [2020-10-12 13:09:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 13:09:00,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:00,341 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:00,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:09:00,342 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:00,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:00,343 INFO L82 PathProgramCache]: Analyzing trace with hash 61083482, now seen corresponding path program 1 times [2020-10-12 13:09:00,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:00,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592563245] [2020-10-12 13:09:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:00,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:01,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:01,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:09:01,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-10-12 13:09:01,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:09:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:01,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:01,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:01,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:01,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:01,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:01,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:09:01,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 13:09:01,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:01,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:01,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:01,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:09:01,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:01,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-12 13:09:01,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:01,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:01,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:09:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:01,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592563245] [2020-10-12 13:09:01,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:09:01,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:09:01,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816721856] [2020-10-12 13:09:01,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:01,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:01,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:01,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:01,819 INFO L87 Difference]: Start difference. First operand 424 states and 611 transitions. Second operand 7 states. [2020-10-12 13:09:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:04,483 INFO L93 Difference]: Finished difference Result 1289 states and 1929 transitions. [2020-10-12 13:09:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:09:04,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-12 13:09:04,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:04,495 INFO L225 Difference]: With dead ends: 1289 [2020-10-12 13:09:04,495 INFO L226 Difference]: Without dead ends: 871 [2020-10-12 13:09:04,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:09:04,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-10-12 13:09:04,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 817. [2020-10-12 13:09:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-10-12 13:09:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1098 transitions. [2020-10-12 13:09:04,602 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1098 transitions. Word has length 92 [2020-10-12 13:09:04,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:04,602 INFO L479 AbstractCegarLoop]: Abstraction has 817 states and 1098 transitions. [2020-10-12 13:09:04,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1098 transitions. [2020-10-12 13:09:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-12 13:09:04,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:04,608 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:04,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:09:04,611 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:04,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:04,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1562448777, now seen corresponding path program 1 times [2020-10-12 13:09:04,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:04,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115375474] [2020-10-12 13:09:04,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:04,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:04,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:05,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:05,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 13:09:05,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 808 [2020-10-12 13:09:05,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:09:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:05,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:05,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:05,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:05,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:05,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:05,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:09:05,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:05,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:05,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:05,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:05,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:05,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 13:09:05,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:05,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-12 13:09:05,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:09:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:05,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115375474] [2020-10-12 13:09:05,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:09:05,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:09:05,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984504561] [2020-10-12 13:09:05,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:05,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:05,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:05,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:05,872 INFO L87 Difference]: Start difference. First operand 817 states and 1098 transitions. Second operand 7 states. [2020-10-12 13:09:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:08,159 INFO L93 Difference]: Finished difference Result 2052 states and 2832 transitions. [2020-10-12 13:09:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:09:08,160 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-10-12 13:09:08,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:08,169 INFO L225 Difference]: With dead ends: 2052 [2020-10-12 13:09:08,170 INFO L226 Difference]: Without dead ends: 1241 [2020-10-12 13:09:08,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:09:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-12 13:09:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1208. [2020-10-12 13:09:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-10-12 13:09:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1526 transitions. [2020-10-12 13:09:08,220 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1526 transitions. Word has length 95 [2020-10-12 13:09:08,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:08,221 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1526 transitions. [2020-10-12 13:09:08,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1526 transitions. [2020-10-12 13:09:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 13:09:08,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:08,234 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:08,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:09:08,235 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:08,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:08,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1386273764, now seen corresponding path program 1 times [2020-10-12 13:09:08,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:08,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328104469] [2020-10-12 13:09:08,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:08,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:08,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 13:09:08,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-12 13:09:08,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:09:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 13:09:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:08,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:08,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:08,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:09:08,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 13:09:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:08,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:08,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:09:08,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:08,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-12 13:09:08,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:09:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:09,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328104469] [2020-10-12 13:09:09,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:09,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:09:09,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758450787] [2020-10-12 13:09:09,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:09:09,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:09,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:09:09,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:09,045 INFO L87 Difference]: Start difference. First operand 1208 states and 1526 transitions. Second operand 5 states. [2020-10-12 13:09:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:11,022 INFO L93 Difference]: Finished difference Result 2439 states and 3256 transitions. [2020-10-12 13:09:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:11,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-12 13:09:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:11,032 INFO L225 Difference]: With dead ends: 2439 [2020-10-12 13:09:11,032 INFO L226 Difference]: Without dead ends: 1615 [2020-10-12 13:09:11,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:09:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2020-10-12 13:09:11,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1599. [2020-10-12 13:09:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1599 states. [2020-10-12 13:09:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2021 transitions. [2020-10-12 13:09:11,078 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2021 transitions. Word has length 151 [2020-10-12 13:09:11,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:11,079 INFO L479 AbstractCegarLoop]: Abstraction has 1599 states and 2021 transitions. [2020-10-12 13:09:11,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:09:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2021 transitions. [2020-10-12 13:09:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 13:09:11,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:11,083 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:11,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:09:11,084 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash -674036300, now seen corresponding path program 1 times [2020-10-12 13:09:11,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:11,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26618085] [2020-10-12 13:09:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:11,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:12,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:13,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:13,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 13:09:13,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:09:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2440 [2020-10-12 13:09:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:09:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-12 13:09:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:13,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:13,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:13,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:13,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:09:13,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:13,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:14,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:14,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:09:14,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-12 13:09:14,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:09:14,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:09:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:14,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:09:14,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-12 13:09:14,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:09:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:09:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-12 13:09:14,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26618085] [2020-10-12 13:09:14,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:14,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:09:14,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994686519] [2020-10-12 13:09:14,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:09:14,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:14,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:09:14,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:09:14,618 INFO L87 Difference]: Start difference. First operand 1599 states and 2021 transitions. Second operand 8 states. [2020-10-12 13:09:17,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:17,206 INFO L93 Difference]: Finished difference Result 2278 states and 2992 transitions. [2020-10-12 13:09:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:09:17,214 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2020-10-12 13:09:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:17,224 INFO L225 Difference]: With dead ends: 2278 [2020-10-12 13:09:17,224 INFO L226 Difference]: Without dead ends: 1635 [2020-10-12 13:09:17,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:09:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-10-12 13:09:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1603. [2020-10-12 13:09:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-12 13:09:17,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2023 transitions. [2020-10-12 13:09:17,269 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2023 transitions. Word has length 209 [2020-10-12 13:09:17,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:17,270 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 2023 transitions. [2020-10-12 13:09:17,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:09:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2023 transitions. [2020-10-12 13:09:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 13:09:17,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:17,273 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:17,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:09:17,274 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1428414287, now seen corresponding path program 1 times [2020-10-12 13:09:17,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:17,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733665580] [2020-10-12 13:09:17,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:17,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:18,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:18,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-12 13:09:18,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:09:18,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1259 [2020-10-12 13:09:18,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:18,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-12 13:09:18,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 13:09:18,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:18,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:18,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:09:18,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:18,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:18,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:18,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:18,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:18,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:18,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:09:18,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 13:09:18,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:18,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:18,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:09:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:18,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:18,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:18,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:09:18,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 13:09:18,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 13:09:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-12 13:09:18,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733665580] [2020-10-12 13:09:18,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:18,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:09:18,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759762484] [2020-10-12 13:09:18,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:09:18,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:18,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:09:18,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:18,875 INFO L87 Difference]: Start difference. First operand 1603 states and 2023 transitions. Second operand 5 states. [2020-10-12 13:09:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:20,938 INFO L93 Difference]: Finished difference Result 3227 states and 4252 transitions. [2020-10-12 13:09:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:20,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2020-10-12 13:09:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:20,948 INFO L225 Difference]: With dead ends: 3227 [2020-10-12 13:09:20,948 INFO L226 Difference]: Without dead ends: 2008 [2020-10-12 13:09:20,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:09:20,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2020-10-12 13:09:20,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1988. [2020-10-12 13:09:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1988 states. [2020-10-12 13:09:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2514 transitions. [2020-10-12 13:09:20,996 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2514 transitions. Word has length 210 [2020-10-12 13:09:20,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:20,996 INFO L479 AbstractCegarLoop]: Abstraction has 1988 states and 2514 transitions. [2020-10-12 13:09:20,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:09:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2514 transitions. [2020-10-12 13:09:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 13:09:21,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:21,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:21,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:09:21,001 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:21,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:21,001 INFO L82 PathProgramCache]: Analyzing trace with hash -240164532, now seen corresponding path program 1 times [2020-10-12 13:09:21,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:21,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348155546] [2020-10-12 13:09:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:21,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:21,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-12 13:09:21,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:21,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-10-12 13:09:21,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:09:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 13:09:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:21,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:21,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:21,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:21,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:21,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 13:09:21,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:21,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:09:21,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:21,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:21,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:21,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:09:21,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:21,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 13:09:21,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:21,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:21,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:21,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:22,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:09:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:22,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:22,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:22,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 13:09:22,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 13:09:22,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 13:09:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-12 13:09:22,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348155546] [2020-10-12 13:09:22,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:22,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:09:22,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113801163] [2020-10-12 13:09:22,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:09:22,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:22,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:09:22,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:22,145 INFO L87 Difference]: Start difference. First operand 1988 states and 2514 transitions. Second operand 5 states. [2020-10-12 13:09:24,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:24,150 INFO L93 Difference]: Finished difference Result 3622 states and 4890 transitions. [2020-10-12 13:09:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:24,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-12 13:09:24,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:24,167 INFO L225 Difference]: With dead ends: 3622 [2020-10-12 13:09:24,167 INFO L226 Difference]: Without dead ends: 2790 [2020-10-12 13:09:24,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:09:24,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2020-10-12 13:09:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2777. [2020-10-12 13:09:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2777 states. [2020-10-12 13:09:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3558 transitions. [2020-10-12 13:09:24,236 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3558 transitions. Word has length 220 [2020-10-12 13:09:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:24,237 INFO L479 AbstractCegarLoop]: Abstraction has 2777 states and 3558 transitions. [2020-10-12 13:09:24,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:09:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3558 transitions. [2020-10-12 13:09:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-12 13:09:24,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:24,241 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:24,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:09:24,241 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:24,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1008801532, now seen corresponding path program 1 times [2020-10-12 13:09:24,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:24,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578382141] [2020-10-12 13:09:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:25,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:25,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 13:09:25,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-10-12 13:09:25,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-12 13:09:25,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 13:09:25,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:25,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:25,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:25,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:25,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:25,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:09:25,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:25,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:25,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:25,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:25,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:09:25,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:25,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 13:09:25,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:25,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:09:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:25,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:25,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:09:25,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 13:09:25,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:09:25,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-12 13:09:25,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578382141] [2020-10-12 13:09:25,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:25,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:09:25,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313249876] [2020-10-12 13:09:25,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:09:25,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:25,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:09:25,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:25,892 INFO L87 Difference]: Start difference. First operand 2777 states and 3558 transitions. Second operand 5 states. [2020-10-12 13:09:28,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:28,381 INFO L93 Difference]: Finished difference Result 5778 states and 7673 transitions. [2020-10-12 13:09:28,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:28,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-10-12 13:09:28,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:28,396 INFO L225 Difference]: With dead ends: 5778 [2020-10-12 13:09:28,396 INFO L226 Difference]: Without dead ends: 3385 [2020-10-12 13:09:28,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:09:28,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3385 states. [2020-10-12 13:09:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3385 to 3359. [2020-10-12 13:09:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3359 states. [2020-10-12 13:09:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 3359 states and 4330 transitions. [2020-10-12 13:09:28,474 INFO L78 Accepts]: Start accepts. Automaton has 3359 states and 4330 transitions. Word has length 224 [2020-10-12 13:09:28,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:28,474 INFO L479 AbstractCegarLoop]: Abstraction has 3359 states and 4330 transitions. [2020-10-12 13:09:28,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:09:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 4330 transitions. [2020-10-12 13:09:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 13:09:28,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:28,479 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:28,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:09:28,479 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:28,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1231270553, now seen corresponding path program 1 times [2020-10-12 13:09:28,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:28,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347951416] [2020-10-12 13:09:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:28,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:28,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:28,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-12 13:09:28,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:28,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-12 13:09:28,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:28,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:28,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:09:28,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 13:09:28,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:28,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:28,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:28,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:28,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:28,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:09:28,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:28,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:28,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:28,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:28,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:29,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:29,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:09:29,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:29,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 13:09:29,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:29,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:29,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:29,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:09:29,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:29,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:09:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:29,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:29,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:29,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:09:29,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 13:09:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 13:09:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:09:29,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347951416] [2020-10-12 13:09:29,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:29,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:09:29,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247101609] [2020-10-12 13:09:29,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:29,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:29,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:29,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:29,562 INFO L87 Difference]: Start difference. First operand 3359 states and 4330 transitions. Second operand 7 states. [2020-10-12 13:09:31,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:31,903 INFO L93 Difference]: Finished difference Result 7064 states and 9805 transitions. [2020-10-12 13:09:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:09:31,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-12 13:09:31,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:31,923 INFO L225 Difference]: With dead ends: 7064 [2020-10-12 13:09:31,924 INFO L226 Difference]: Without dead ends: 4089 [2020-10-12 13:09:31,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:09:31,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4089 states. [2020-10-12 13:09:32,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4089 to 3806. [2020-10-12 13:09:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2020-10-12 13:09:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4948 transitions. [2020-10-12 13:09:32,041 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4948 transitions. Word has length 230 [2020-10-12 13:09:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:32,041 INFO L479 AbstractCegarLoop]: Abstraction has 3806 states and 4948 transitions. [2020-10-12 13:09:32,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4948 transitions. [2020-10-12 13:09:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 13:09:32,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:32,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:32,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:09:32,046 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:32,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1224194901, now seen corresponding path program 1 times [2020-10-12 13:09:32,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:32,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331138270] [2020-10-12 13:09:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:32,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:32,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:32,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:32,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:34,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:36,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:36,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 13:09:36,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:09:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4475 [2020-10-12 13:09:36,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 13:09:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:36,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:36,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:36,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:36,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:36,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:36,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:09:36,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:36,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:36,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:36,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:37,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:37,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:09:37,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:37,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-12 13:09:37,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-12 13:09:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:37,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:09:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:37,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:37,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:09:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 13:09:37,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-12 13:09:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 26 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:09:37,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331138270] [2020-10-12 13:09:37,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:37,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:09:37,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555471297] [2020-10-12 13:09:37,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:37,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:37,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:37,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:37,369 INFO L87 Difference]: Start difference. First operand 3806 states and 4948 transitions. Second operand 7 states. [2020-10-12 13:09:39,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:39,877 INFO L93 Difference]: Finished difference Result 8625 states and 11847 transitions. [2020-10-12 13:09:39,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:09:39,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-12 13:09:39,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:39,904 INFO L225 Difference]: With dead ends: 8625 [2020-10-12 13:09:39,904 INFO L226 Difference]: Without dead ends: 5203 [2020-10-12 13:09:39,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:09:39,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2020-10-12 13:09:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 4957. [2020-10-12 13:09:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4957 states. [2020-10-12 13:09:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 6346 transitions. [2020-10-12 13:09:40,023 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 6346 transitions. Word has length 231 [2020-10-12 13:09:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:40,024 INFO L479 AbstractCegarLoop]: Abstraction has 4957 states and 6346 transitions. [2020-10-12 13:09:40,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 6346 transitions. [2020-10-12 13:09:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 13:09:40,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:40,032 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:40,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:09:40,032 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:40,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:40,033 INFO L82 PathProgramCache]: Analyzing trace with hash -813711693, now seen corresponding path program 1 times [2020-10-12 13:09:40,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:40,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062861103] [2020-10-12 13:09:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:40,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 13:09:40,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-12 13:09:40,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-12 13:09:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 13:09:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:40,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:40,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:40,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:40,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:09:40,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:40,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:09:40,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:40,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-12 13:09:40,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 13:09:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:40,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:09:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:40,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:09:40,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-12 13:09:40,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:40,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 13:09:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:09:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:09:41,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062861103] [2020-10-12 13:09:41,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:41,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:09:41,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224116383] [2020-10-12 13:09:41,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:41,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:41,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:41,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:41,253 INFO L87 Difference]: Start difference. First operand 4957 states and 6346 transitions. Second operand 7 states. [2020-10-12 13:09:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:44,718 INFO L93 Difference]: Finished difference Result 11898 states and 15486 transitions. [2020-10-12 13:09:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:09:44,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-12 13:09:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:44,750 INFO L225 Difference]: With dead ends: 11898 [2020-10-12 13:09:44,751 INFO L226 Difference]: Without dead ends: 7325 [2020-10-12 13:09:44,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:09:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7325 states. [2020-10-12 13:09:44,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7325 to 6535. [2020-10-12 13:09:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6535 states. [2020-10-12 13:09:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6535 states to 6535 states and 8139 transitions. [2020-10-12 13:09:44,902 INFO L78 Accepts]: Start accepts. Automaton has 6535 states and 8139 transitions. Word has length 240 [2020-10-12 13:09:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:44,903 INFO L479 AbstractCegarLoop]: Abstraction has 6535 states and 8139 transitions. [2020-10-12 13:09:44,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 6535 states and 8139 transitions. [2020-10-12 13:09:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-12 13:09:44,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:44,912 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:44,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:09:44,913 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:44,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:44,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1553420352, now seen corresponding path program 1 times [2020-10-12 13:09:44,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:44,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905334712] [2020-10-12 13:09:44,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 13:09:44,979 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 13:09:44,980 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 13:09:44,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:09:45,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:09:45 BoogieIcfgContainer [2020-10-12 13:09:45,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:09:45,033 INFO L168 Benchmark]: Toolchain (without parser) took 50717.83 ms. Allocated memory was 141.0 MB in the beginning and 859.3 MB in the end (delta: 718.3 MB). Free memory was 101.4 MB in the beginning and 257.7 MB in the end (delta: -156.3 MB). Peak memory consumption was 562.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:09:45,033 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 13:09:45,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.66 ms. Allocated memory was 141.0 MB in the beginning and 208.7 MB in the end (delta: 67.6 MB). Free memory was 101.0 MB in the beginning and 157.5 MB in the end (delta: -56.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:09:45,035 INFO L168 Benchmark]: Boogie Preprocessor took 175.35 ms. Allocated memory is still 208.7 MB. Free memory was 157.5 MB in the beginning and 149.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-12 13:09:45,036 INFO L168 Benchmark]: RCFGBuilder took 1766.80 ms. Allocated memory was 208.7 MB in the beginning and 239.6 MB in the end (delta: 30.9 MB). Free memory was 149.7 MB in the beginning and 89.4 MB in the end (delta: 60.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:09:45,036 INFO L168 Benchmark]: TraceAbstraction took 47782.48 ms. Allocated memory was 239.6 MB in the beginning and 859.3 MB in the end (delta: 619.7 MB). Free memory was 89.4 MB in the beginning and 257.7 MB in the end (delta: -168.3 MB). Peak memory consumption was 451.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:09:45,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 987.66 ms. Allocated memory was 141.0 MB in the beginning and 208.7 MB in the end (delta: 67.6 MB). Free memory was 101.0 MB in the beginning and 157.5 MB in the end (delta: -56.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.35 ms. Allocated memory is still 208.7 MB. Free memory was 157.5 MB in the beginning and 149.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1766.80 ms. Allocated memory was 208.7 MB in the beginning and 239.6 MB in the end (delta: 30.9 MB). Free memory was 149.7 MB in the beginning and 89.4 MB in the end (delta: 60.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47782.48 ms. Allocated memory was 239.6 MB in the beginning and 859.3 MB in the end (delta: 619.7 MB). Free memory was 89.4 MB in the beginning and 257.7 MB in the end (delta: -168.3 MB). Peak memory consumption was 451.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 48]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] 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)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] 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))) [L240] 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))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] 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))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] 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 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] 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))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] 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)))) [L358] 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))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] 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))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] 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)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] 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)))) [L470] 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))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] 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))) [L500] 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 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] 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))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND TRUE ( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1))) [L604] COND TRUE (a4==1) [L605] a29 = ((((a29 % 15)+ 262) - -1) + -3) [L606] a23 = ((((a23 - 600285) - 8) + 385102) + -384893) [L607] a4 = 0 [L608] a25 = 12 [L614] return 24; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] 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)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] 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))) [L240] 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))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] 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))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] 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 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND TRUE (((((((((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)) [L341] a29 = ((((a29 % 299861)- -278) + 162880) - -51725) [L342] a4 = 1 [L343] a25 = 10 [L345] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15)) [L48] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 47.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 26.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 550 SDtfs, 6130 SDslu, 897 SDs, 0 SdLazy, 15234 SolverSat, 2156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6535occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1522 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 2164 NumberOfCodeBlocks, 2164 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 675/778 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...