/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:52:24,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:52:24,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:52:24,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:52:24,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:52:24,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:52:24,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:52:24,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:52:24,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:52:24,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:52:24,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:52:24,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:52:24,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:52:24,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:52:24,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:52:24,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:52:24,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:52:24,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:52:24,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:52:24,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:52:24,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:52:24,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:52:24,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:52:24,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:52:24,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:52:24,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:52:24,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:52:24,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:52:24,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:52:24,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:52:24,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:52:24,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:52:24,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:52:24,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:52:24,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:52:24,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:52:24,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:52:24,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:52:24,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:52:24,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:52:24,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:52:24,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:52:24,423 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:52:24,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:52:24,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:52:24,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:52:24,428 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:52:24,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:52:24,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:52:24,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:52:24,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:52:24,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:52:24,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:52:24,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:52:24,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:52:24,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:52:24,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:52:24,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:52:24,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:52:24,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:52:24,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:52:24,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:52:24,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:52:24,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:24,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:52:24,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:52:24,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:52:24,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:52:24,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:52:24,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:52:24,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:52:24,433 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:52:24,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:52:24,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:52:24,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:52:24,743 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:52:24,743 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:52:24,744 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-10-14 20:52:24,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6fb61c31/9f08365a7cfe4617ad4f831b6113b0f8/FLAG930e3ecc7 [2020-10-14 20:52:25,419 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:52:25,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-10-14 20:52:25,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6fb61c31/9f08365a7cfe4617ad4f831b6113b0f8/FLAG930e3ecc7 [2020-10-14 20:52:25,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6fb61c31/9f08365a7cfe4617ad4f831b6113b0f8 [2020-10-14 20:52:25,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:52:25,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:52:25,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:25,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:52:25,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:52:25,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:25" (1/1) ... [2020-10-14 20:52:25,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500f3ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:25, skipping insertion in model container [2020-10-14 20:52:25,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:25" (1/1) ... [2020-10-14 20:52:25,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:52:25,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:52:26,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:26,290 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:52:26,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:26,517 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:52:26,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26 WrapperNode [2020-10-14 20:52:26,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:26,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:52:26,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:52:26,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:52:26,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... [2020-10-14 20:52:26,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:52:26,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:52:26,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:52:26,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:52:26,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:52:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:52:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:52:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:52:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:52:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:52:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:52:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:52:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:52:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:52:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:52:28,157 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:52:28,158 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:52:28,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:28 BoogieIcfgContainer [2020-10-14 20:52:28,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:52:28,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:52:28,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:52:28,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:52:28,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:52:25" (1/3) ... [2020-10-14 20:52:28,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab443ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:28, skipping insertion in model container [2020-10-14 20:52:28,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:26" (2/3) ... [2020-10-14 20:52:28,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab443ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:28, skipping insertion in model container [2020-10-14 20:52:28,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:28" (3/3) ... [2020-10-14 20:52:28,175 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-10-14 20:52:28,187 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:52:28,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:52:28,211 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:52:28,239 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:52:28,239 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:52:28,239 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:52:28,239 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:52:28,240 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:52:28,240 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:52:28,240 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:52:28,240 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:52:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:52:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-14 20:52:28,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:28,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:28,275 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:28,282 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-10-14 20:52:28,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:28,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777247097] [2020-10-14 20:52:28,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:28,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:28,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:28,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 20:52:28,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:28,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-14 20:52:28,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:28,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 20:52:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:29,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:52:29,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:29,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:29,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777247097] [2020-10-14 20:52:29,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:29,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:52:29,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966868945] [2020-10-14 20:52:29,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:52:29,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:29,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:52:29,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:52:29,045 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:52:30,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:30,565 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:52:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:30,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-14 20:52:30,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:30,584 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:52:30,584 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:52:30,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:52:30,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:52:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:52:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-14 20:52:30,673 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 34 [2020-10-14 20:52:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:30,674 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-14 20:52:30,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:52:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-14 20:52:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 20:52:30,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:30,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:30,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:52:30,683 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:30,684 INFO L82 PathProgramCache]: Analyzing trace with hash 697897014, now seen corresponding path program 1 times [2020-10-14 20:52:30,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:30,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418659457] [2020-10-14 20:52:30,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:31,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:31,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:31,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-10-14 20:52:31,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:31,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:52:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:52:31,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:31,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:31,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:31,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:31,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:52:31,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:31,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:31,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:31,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:31,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:31,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:31,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 20:52:31,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:31,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 20:52:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:31,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418659457] [2020-10-14 20:52:31,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:31,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:52:31,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267305288] [2020-10-14 20:52:31,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:31,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:31,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:31,903 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 7 states. [2020-10-14 20:52:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:33,601 INFO L93 Difference]: Finished difference Result 906 states and 1330 transitions. [2020-10-14 20:52:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:33,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-10-14 20:52:33,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:33,615 INFO L225 Difference]: With dead ends: 906 [2020-10-14 20:52:33,615 INFO L226 Difference]: Without dead ends: 616 [2020-10-14 20:52:33,617 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 [2020-10-14 20:52:33,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-10-14 20:52:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 596. [2020-10-14 20:52:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 20:52:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 768 transitions. [2020-10-14 20:52:33,699 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 768 transitions. Word has length 106 [2020-10-14 20:52:33,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:33,700 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 768 transitions. [2020-10-14 20:52:33,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 768 transitions. [2020-10-14 20:52:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 20:52:33,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:33,704 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:33,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:52:33,705 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:33,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:33,705 INFO L82 PathProgramCache]: Analyzing trace with hash 336244821, now seen corresponding path program 1 times [2020-10-14 20:52:33,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:33,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40766239] [2020-10-14 20:52:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 20:52:34,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:34,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-14 20:52:34,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 20:52:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:34,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:34,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:34,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:34,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:34,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:34,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:52:34,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:34,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40766239] [2020-10-14 20:52:34,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:34,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:34,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523752649] [2020-10-14 20:52:34,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:34,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:34,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:34,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:34,317 INFO L87 Difference]: Start difference. First operand 596 states and 768 transitions. Second operand 5 states. [2020-10-14 20:52:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:37,653 INFO L93 Difference]: Finished difference Result 1192 states and 1546 transitions. [2020-10-14 20:52:37,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:37,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-14 20:52:37,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:37,666 INFO L225 Difference]: With dead ends: 1192 [2020-10-14 20:52:37,666 INFO L226 Difference]: Without dead ends: 602 [2020-10-14 20:52:37,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:37,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-10-14 20:52:37,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 596. [2020-10-14 20:52:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 20:52:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 749 transitions. [2020-10-14 20:52:37,705 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 749 transitions. Word has length 113 [2020-10-14 20:52:37,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:37,707 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 749 transitions. [2020-10-14 20:52:37,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 749 transitions. [2020-10-14 20:52:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 20:52:37,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:37,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:37,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:52:37,728 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash 650477289, now seen corresponding path program 1 times [2020-10-14 20:52:37,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:37,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144580468] [2020-10-14 20:52:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:37,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:37,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:39,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:39,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 20:52:39,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1544 [2020-10-14 20:52:39,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:39,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:52:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:39,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:39,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:39,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:39,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:39,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:52:39,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:39,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:39,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 20:52:39,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 20:52:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:39,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 20:52:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:39,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144580468] [2020-10-14 20:52:39,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:39,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:52:39,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941235377] [2020-10-14 20:52:39,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:39,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:39,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:39,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:39,850 INFO L87 Difference]: Start difference. First operand 596 states and 749 transitions. Second operand 7 states. [2020-10-14 20:52:41,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:41,347 INFO L93 Difference]: Finished difference Result 1345 states and 1673 transitions. [2020-10-14 20:52:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:41,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-10-14 20:52:41,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:41,355 INFO L225 Difference]: With dead ends: 1345 [2020-10-14 20:52:41,356 INFO L226 Difference]: Without dead ends: 755 [2020-10-14 20:52:41,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-10-14 20:52:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 743. [2020-10-14 20:52:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-14 20:52:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 906 transitions. [2020-10-14 20:52:41,383 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 906 transitions. Word has length 151 [2020-10-14 20:52:41,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:41,384 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 906 transitions. [2020-10-14 20:52:41,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 906 transitions. [2020-10-14 20:52:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 20:52:41,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:41,387 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:41,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:52:41,388 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:41,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:41,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1562569806, now seen corresponding path program 1 times [2020-10-14 20:52:41,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:41,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096878656] [2020-10-14 20:52:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 20:52:42,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:42,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-10-14 20:52:42,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:52:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:42,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:52:42,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:42,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:52:42,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:42,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096878656] [2020-10-14 20:52:42,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:42,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:42,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224327173] [2020-10-14 20:52:42,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:42,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:42,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:42,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:42,441 INFO L87 Difference]: Start difference. First operand 743 states and 906 transitions. Second operand 7 states. [2020-10-14 20:52:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:44,074 INFO L93 Difference]: Finished difference Result 1667 states and 2178 transitions. [2020-10-14 20:52:44,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:52:44,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2020-10-14 20:52:44,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:44,087 INFO L225 Difference]: With dead ends: 1667 [2020-10-14 20:52:44,087 INFO L226 Difference]: Without dead ends: 1073 [2020-10-14 20:52:44,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:44,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-10-14 20:52:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 898. [2020-10-14 20:52:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-10-14 20:52:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1079 transitions. [2020-10-14 20:52:44,150 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1079 transitions. Word has length 185 [2020-10-14 20:52:44,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:44,151 INFO L479 AbstractCegarLoop]: Abstraction has 898 states and 1079 transitions. [2020-10-14 20:52:44,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1079 transitions. [2020-10-14 20:52:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-14 20:52:44,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:44,154 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:44,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:52:44,155 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:44,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1494616243, now seen corresponding path program 1 times [2020-10-14 20:52:44,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:44,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562894907] [2020-10-14 20:52:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:44,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-14 20:52:45,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-14 20:52:45,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:52:45,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:45,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:45,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:45,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:45,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 20:52:45,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:45,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:45,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 20:52:45,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:45,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562894907] [2020-10-14 20:52:45,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:45,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:45,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943779640] [2020-10-14 20:52:45,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:45,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:45,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:45,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:45,539 INFO L87 Difference]: Start difference. First operand 898 states and 1079 transitions. Second operand 7 states. [2020-10-14 20:52:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:47,657 INFO L93 Difference]: Finished difference Result 2390 states and 2939 transitions. [2020-10-14 20:52:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:47,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 194 [2020-10-14 20:52:47,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:47,665 INFO L225 Difference]: With dead ends: 2390 [2020-10-14 20:52:47,665 INFO L226 Difference]: Without dead ends: 1198 [2020-10-14 20:52:47,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-14 20:52:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 898. [2020-10-14 20:52:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-10-14 20:52:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1050 transitions. [2020-10-14 20:52:47,698 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1050 transitions. Word has length 194 [2020-10-14 20:52:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:47,698 INFO L479 AbstractCegarLoop]: Abstraction has 898 states and 1050 transitions. [2020-10-14 20:52:47,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1050 transitions. [2020-10-14 20:52:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 20:52:47,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:47,702 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:47,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:47,703 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:47,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1375452485, now seen corresponding path program 1 times [2020-10-14 20:52:47,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:47,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120353767] [2020-10-14 20:52:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:47,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:47,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 20:52:49,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:49,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1298 [2020-10-14 20:52:49,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:52:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:49,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:49,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:49,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 20:52:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:49,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 20:52:49,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:52:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:49,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120353767] [2020-10-14 20:52:49,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:49,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:49,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416901126] [2020-10-14 20:52:49,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:49,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:49,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:49,569 INFO L87 Difference]: Start difference. First operand 898 states and 1050 transitions. Second operand 7 states. [2020-10-14 20:52:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:51,807 INFO L93 Difference]: Finished difference Result 2122 states and 2571 transitions. [2020-10-14 20:52:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:51,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-14 20:52:51,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:51,819 INFO L225 Difference]: With dead ends: 2122 [2020-10-14 20:52:51,819 INFO L226 Difference]: Without dead ends: 1373 [2020-10-14 20:52:51,824 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 [2020-10-14 20:52:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-10-14 20:52:51,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1355. [2020-10-14 20:52:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2020-10-14 20:52:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1588 transitions. [2020-10-14 20:52:51,873 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1588 transitions. Word has length 230 [2020-10-14 20:52:51,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:51,873 INFO L479 AbstractCegarLoop]: Abstraction has 1355 states and 1588 transitions. [2020-10-14 20:52:51,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1588 transitions. [2020-10-14 20:52:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-14 20:52:51,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:51,881 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:51,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:51,882 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:51,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:51,882 INFO L82 PathProgramCache]: Analyzing trace with hash -290902137, now seen corresponding path program 1 times [2020-10-14 20:52:51,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:51,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605941381] [2020-10-14 20:52:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:52,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:52,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 20:52:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-14 20:52:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:52,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 20:52:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 20:52:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:52,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:52,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:52,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:52:52,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:52,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:52,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:52,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:52:52,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:52:52,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:52,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:52,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:52,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:52:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 20:52:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:52,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:52:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 20:52:52,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605941381] [2020-10-14 20:52:52,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:52,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:52,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040100735] [2020-10-14 20:52:52,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:52,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:52,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:52,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:52,702 INFO L87 Difference]: Start difference. First operand 1355 states and 1588 transitions. Second operand 5 states. [2020-10-14 20:52:53,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:53,966 INFO L93 Difference]: Finished difference Result 2859 states and 3426 transitions. [2020-10-14 20:52:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:53,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2020-10-14 20:52:53,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:53,978 INFO L225 Difference]: With dead ends: 2859 [2020-10-14 20:52:53,978 INFO L226 Difference]: Without dead ends: 1653 [2020-10-14 20:52:53,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2020-10-14 20:52:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1645. [2020-10-14 20:52:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-10-14 20:52:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 1891 transitions. [2020-10-14 20:52:54,024 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 1891 transitions. Word has length 252 [2020-10-14 20:52:54,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:54,025 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 1891 transitions. [2020-10-14 20:52:54,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1891 transitions. [2020-10-14 20:52:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-14 20:52:54,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:54,033 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:54,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:54,034 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:54,034 INFO L82 PathProgramCache]: Analyzing trace with hash 770708811, now seen corresponding path program 1 times [2020-10-14 20:52:54,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:54,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944956402] [2020-10-14 20:52:54,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:56,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:58,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:58,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-14 20:52:58,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4834 [2020-10-14 20:52:58,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:58,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:58,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:58,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-14 20:52:58,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:52:58,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:59,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:59,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:59,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:59,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:59,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:59,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:59,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:59,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:59,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:59,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:59,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:59,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:59,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 20:52:59,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:59,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:59,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:59,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:59,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:59,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:52:59,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:59,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 20:52:59,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:59,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:52:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 20:52:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:59,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:59,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:52:59,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:59,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 20:52:59,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:59,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:52:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 277 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:52:59,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944956402] [2020-10-14 20:52:59,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:59,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:59,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600928157] [2020-10-14 20:52:59,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:59,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:59,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:59,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:59,527 INFO L87 Difference]: Start difference. First operand 1645 states and 1891 transitions. Second operand 7 states. [2020-10-14 20:53:01,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:01,148 INFO L93 Difference]: Finished difference Result 3459 states and 4078 transitions. [2020-10-14 20:53:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:53:01,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-10-14 20:53:01,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:01,157 INFO L225 Difference]: With dead ends: 3459 [2020-10-14 20:53:01,157 INFO L226 Difference]: Without dead ends: 1669 [2020-10-14 20:53:01,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-14 20:53:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1643. [2020-10-14 20:53:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-10-14 20:53:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1878 transitions. [2020-10-14 20:53:01,217 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1878 transitions. Word has length 357 [2020-10-14 20:53:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:01,218 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1878 transitions. [2020-10-14 20:53:01,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1878 transitions. [2020-10-14 20:53:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 20:53:01,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:01,228 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:01,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:53:01,229 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:01,229 INFO L82 PathProgramCache]: Analyzing trace with hash 905282566, now seen corresponding path program 1 times [2020-10-14 20:53:01,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:01,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909392739] [2020-10-14 20:53:01,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:01,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-14 20:53:03,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1850 [2020-10-14 20:53:03,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:53:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:53:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:03,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:03,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:03,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:53:03,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:53:03,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 20:53:03,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:03,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:53:03,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:53:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:53:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 20:53:03,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909392739] [2020-10-14 20:53:03,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:03,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:03,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650085351] [2020-10-14 20:53:03,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:03,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:03,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:03,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:03,681 INFO L87 Difference]: Start difference. First operand 1643 states and 1878 transitions. Second operand 7 states. [2020-10-14 20:53:05,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:05,144 INFO L93 Difference]: Finished difference Result 3729 states and 4307 transitions. [2020-10-14 20:53:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:05,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2020-10-14 20:53:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:05,155 INFO L225 Difference]: With dead ends: 3729 [2020-10-14 20:53:05,155 INFO L226 Difference]: Without dead ends: 2235 [2020-10-14 20:53:05,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:05,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2020-10-14 20:53:05,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2084. [2020-10-14 20:53:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-10-14 20:53:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2396 transitions. [2020-10-14 20:53:05,215 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2396 transitions. Word has length 360 [2020-10-14 20:53:05,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:05,216 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2396 transitions. [2020-10-14 20:53:05,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2396 transitions. [2020-10-14 20:53:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-10-14 20:53:05,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:05,228 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:05,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:53:05,229 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:05,229 INFO L82 PathProgramCache]: Analyzing trace with hash 812209122, now seen corresponding path program 1 times [2020-10-14 20:53:05,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:05,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490461788] [2020-10-14 20:53:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:05,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:06,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 20:53:10,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:53:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:53:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:10,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:10,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:10,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:10,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:10,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:10,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 20:53:10,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:53:10,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:10,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:53:10,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 20:53:10,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:53:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:10,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-14 20:53:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:10,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:10,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:53:10,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:10,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-14 20:53:10,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 197 proven. 118 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:53:11,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490461788] [2020-10-14 20:53:11,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:11,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:11,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755769659] [2020-10-14 20:53:11,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:11,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:11,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:11,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:11,153 INFO L87 Difference]: Start difference. First operand 2084 states and 2396 transitions. Second operand 7 states. [2020-10-14 20:53:12,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:12,675 INFO L93 Difference]: Finished difference Result 4474 states and 5247 transitions. [2020-10-14 20:53:12,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:12,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 394 [2020-10-14 20:53:12,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:12,686 INFO L225 Difference]: With dead ends: 4474 [2020-10-14 20:53:12,686 INFO L226 Difference]: Without dead ends: 2539 [2020-10-14 20:53:12,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2539 states. [2020-10-14 20:53:12,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2539 to 2382. [2020-10-14 20:53:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2382 states. [2020-10-14 20:53:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 2736 transitions. [2020-10-14 20:53:12,756 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 2736 transitions. Word has length 394 [2020-10-14 20:53:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:12,756 INFO L479 AbstractCegarLoop]: Abstraction has 2382 states and 2736 transitions. [2020-10-14 20:53:12,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2736 transitions. [2020-10-14 20:53:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-10-14 20:53:12,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:12,764 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:12,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:12,765 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:12,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:12,765 INFO L82 PathProgramCache]: Analyzing trace with hash -237212521, now seen corresponding path program 1 times [2020-10-14 20:53:12,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:12,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737891501] [2020-10-14 20:53:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:12,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:14,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 413 [2020-10-14 20:53:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2055 [2020-10-14 20:53:14,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:14,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-14 20:53:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:53:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:14,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:14,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:14,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:14,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:14,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:14,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:14,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:14,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:14,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:53:15,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:15,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 20:53:15,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:15,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:15,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:15,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:15,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:53:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:15,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:53:15,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 20:53:15,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:53:15,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:15,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-14 20:53:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:15,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:53:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:53:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 308 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 20:53:15,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737891501] [2020-10-14 20:53:15,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:15,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:15,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76257801] [2020-10-14 20:53:15,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:15,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:15,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:15,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:15,367 INFO L87 Difference]: Start difference. First operand 2382 states and 2736 transitions. Second operand 7 states. [2020-10-14 20:53:17,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:17,024 INFO L93 Difference]: Finished difference Result 4913 states and 5670 transitions. [2020-10-14 20:53:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:53:17,025 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 399 [2020-10-14 20:53:17,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:17,037 INFO L225 Difference]: With dead ends: 4913 [2020-10-14 20:53:17,037 INFO L226 Difference]: Without dead ends: 2680 [2020-10-14 20:53:17,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:17,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2020-10-14 20:53:17,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2531. [2020-10-14 20:53:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2531 states. [2020-10-14 20:53:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 2895 transitions. [2020-10-14 20:53:17,107 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 2895 transitions. Word has length 399 [2020-10-14 20:53:17,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:17,108 INFO L479 AbstractCegarLoop]: Abstraction has 2531 states and 2895 transitions. [2020-10-14 20:53:17,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2895 transitions. [2020-10-14 20:53:17,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2020-10-14 20:53:17,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:17,118 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:17,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:53:17,118 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:17,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:17,119 INFO L82 PathProgramCache]: Analyzing trace with hash -804158578, now seen corresponding path program 1 times [2020-10-14 20:53:17,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:17,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118015600] [2020-10-14 20:53:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:17,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:17,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:17,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 446 [2020-10-14 20:53:17,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 20:53:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:17,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:17,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:17,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:17,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:17,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:17,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:17,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:53:17,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:53:17,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:17,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:17,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:18,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:53:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:18,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-14 20:53:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:18,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:18,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:18,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:53:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-14 20:53:18,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118015600] [2020-10-14 20:53:18,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:18,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:18,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626350955] [2020-10-14 20:53:18,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:18,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:18,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:18,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:18,275 INFO L87 Difference]: Start difference. First operand 2531 states and 2895 transitions. Second operand 5 states. [2020-10-14 20:53:19,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:19,491 INFO L93 Difference]: Finished difference Result 4913 states and 5635 transitions. [2020-10-14 20:53:19,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:19,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 432 [2020-10-14 20:53:19,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:19,494 INFO L225 Difference]: With dead ends: 4913 [2020-10-14 20:53:19,494 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:53:19,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:53:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:53:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:53:19,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:53:19,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 432 [2020-10-14 20:53:19,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:19,503 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:53:19,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:53:19,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:53:19,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:53:19,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:53:19,840 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-10-14 20:53:19,963 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-10-14 20:53:20,454 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 44 [2020-10-14 20:53:20,659 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2020-10-14 20:53:20,852 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2020-10-14 20:53:20,856 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,857 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:53:20,858 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:53:20,859 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:53:20,860 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,861 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:53:20,862 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,863 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:53:20,864 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,865 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:53:20,866 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,867 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:53:20,868 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,869 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:53:20,870 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:53:20,871 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:53:20,872 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:53:20,873 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= 10 |old(~a19~0)|))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (<= |old(~a10~0)| 0)) .cse0 .cse1) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a19~0)| 6))) (or .cse0 (not (= 9 |old(~a19~0)|))) (or .cse0 (not (= |old(~a10~0)| 1)) .cse1) (or .cse0 (not (= 2 |old(~a10~0)|))) (or .cse0 (not (= 7 |old(~a19~0)|)) (not (<= 1 |old(~a10~0)|))))) [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,874 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:53:20,875 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,876 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:53:20,877 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:20,878 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:53:20,879 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:53:20,880 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:53:20,880 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:20,880 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-14 20:53:20,880 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:53:20,880 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:20,880 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-14 20:53:20,880 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:20,881 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= ~a19~0 10))) (or (= ~a19~0 8) (and (= ~a10~0 1) .cse0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 0) .cse0) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (and (= 7 ~a19~0) (<= 1 ~a10~0)) (not (<= |old(~a1~0)| 23)) (= ~a19~0 |old(~a19~0)|) (<= ~a19~0 6))) [2020-10-14 20:53:20,881 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:53:20,881 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:53:20,881 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a19~0 10))) (or (= ~a19~0 8) (and (= ~a10~0 1) .cse0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 0) .cse0) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (and (= 7 ~a19~0) (<= 1 ~a10~0)) (not (<= |old(~a1~0)| 23)) (= ~a19~0 |old(~a19~0)|) (<= ~a19~0 6))) [2020-10-14 20:53:20,881 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:20,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:53:20 BoogieIcfgContainer [2020-10-14 20:53:20,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:53:20,906 INFO L168 Benchmark]: Toolchain (without parser) took 55235.65 ms. Allocated memory was 147.8 MB in the beginning and 912.3 MB in the end (delta: 764.4 MB). Free memory was 102.4 MB in the beginning and 236.6 MB in the end (delta: -134.2 MB). Peak memory consumption was 630.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:20,907 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 20:53:20,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.01 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 170.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:20,909 INFO L168 Benchmark]: Boogie Preprocessor took 166.50 ms. Allocated memory is still 206.6 MB. Free memory was 170.3 MB in the beginning and 166.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:20,910 INFO L168 Benchmark]: RCFGBuilder took 1476.94 ms. Allocated memory was 206.6 MB in the beginning and 235.4 MB in the end (delta: 28.8 MB). Free memory was 165.3 MB in the beginning and 173.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:20,911 INFO L168 Benchmark]: TraceAbstraction took 52738.22 ms. Allocated memory was 235.4 MB in the beginning and 912.3 MB in the end (delta: 676.9 MB). Free memory was 173.0 MB in the beginning and 236.6 MB in the end (delta: -63.6 MB). Peak memory consumption was 613.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:20,915 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 847.01 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 170.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.50 ms. Allocated memory is still 206.6 MB. Free memory was 170.3 MB in the beginning and 166.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1476.94 ms. Allocated memory was 206.6 MB in the beginning and 235.4 MB in the end (delta: 28.8 MB). Free memory was 165.3 MB in the beginning and 173.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52738.22 ms. Allocated memory was 235.4 MB in the beginning and 912.3 MB in the end (delta: 676.9 MB). Free memory was 173.0 MB in the beginning and 236.6 MB in the end (delta: -63.6 MB). Peak memory consumption was 613.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((a19 == 8 || (a10 == 1 && a19 == 10)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (a10 <= 0 && a19 == 10)) || a10 == 2) || !(9 == \old(a19))) || (7 == a19 && 1 <= a10)) || !(\old(a1) <= 23)) || a19 == \old(a19)) || a19 <= 6 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.2s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 373 SDtfs, 4377 SDslu, 442 SDs, 0 SdLazy, 12275 SolverSat, 1545 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2531occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 125 PreInvPairs, 169 NumberOfFragments, 293 HoareAnnotationTreeSize, 125 FomulaSimplifications, 16197 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2214 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 3207 NumberOfCodeBlocks, 3207 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3194 ConstructedInterpolants, 0 QuantifiedInterpolants, 1813628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 2507/2643 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...