/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:30:29,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:30:29,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:30:29,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:30:29,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:30:29,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:30:29,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:30:29,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:30:29,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:30:29,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:30:29,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:30:29,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:30:29,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:30:29,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:30:29,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:30:29,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:30:29,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:30:29,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:30:29,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:30:29,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:30:29,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:30:29,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:30:29,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:30:29,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:30:29,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:30:29,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:30:29,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:30:29,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:30:29,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:30:29,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:30:29,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:30:29,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:30:29,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:30:29,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:30:29,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:30:29,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:30:29,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:30:29,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:30:29,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:30:29,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:30:29,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:30:29,317 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 02:30:29,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:30:29,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:30:29,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:30:29,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:30:29,341 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:30:29,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:30:29,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:30:29,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:30:29,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:30:29,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:30:29,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:30:29,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:30:29,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:30:29,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:30:29,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:30:29,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:30:29,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:30:29,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:30:29,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:30:29,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:30:29,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:30:29,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:30:29,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:30:29,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:30:29,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:30:29,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:30:29,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:30:29,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:30:29,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:30:29,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:30:29,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:30:29,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:30:29,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:30:29,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:30:29,681 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:30:29,682 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-14 02:30:29,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4930b63c/c00a10cc240f4a94a4a36948060babb9/FLAGbebdc57d1 [2020-10-14 02:30:30,304 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:30:30,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-14 02:30:30,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4930b63c/c00a10cc240f4a94a4a36948060babb9/FLAGbebdc57d1 [2020-10-14 02:30:30,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4930b63c/c00a10cc240f4a94a4a36948060babb9 [2020-10-14 02:30:30,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:30:30,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:30:30,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:30:30,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:30:30,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:30:30,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:30" (1/1) ... [2020-10-14 02:30:30,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd1f025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:30, skipping insertion in model container [2020-10-14 02:30:30,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:30" (1/1) ... [2020-10-14 02:30:30,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:30:30,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:30:31,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:30:31,229 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:30:31,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:30:31,359 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:30:31,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31 WrapperNode [2020-10-14 02:30:31,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:30:31,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:30:31,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:30:31,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:30:31,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (1/1) ... [2020-10-14 02:30:31,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:30:31,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:30:31,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:30:31,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:30:31,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (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 02:30:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:30:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:30:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:30:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:30:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:30:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:30:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:30:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:30:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:30:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:30:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:30:32,962 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:30:32,963 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:30:32,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:30:32 BoogieIcfgContainer [2020-10-14 02:30:32,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:30:32,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:30:32,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:30:32,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:30:32,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:30:30" (1/3) ... [2020-10-14 02:30:32,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39eeeca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:30:32, skipping insertion in model container [2020-10-14 02:30:32,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:31" (2/3) ... [2020-10-14 02:30:32,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39eeeca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:30:32, skipping insertion in model container [2020-10-14 02:30:32,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:30:32" (3/3) ... [2020-10-14 02:30:32,988 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-10-14 02:30:32,999 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:30:33,011 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:30:33,026 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:30:33,060 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:30:33,060 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:30:33,060 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:30:33,060 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:30:33,061 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:30:33,061 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:30:33,061 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:30:33,061 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:30:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 02:30:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-14 02:30:33,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:33,094 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] [2020-10-14 02:30:33,095 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:33,100 INFO L82 PathProgramCache]: Analyzing trace with hash -689743650, now seen corresponding path program 1 times [2020-10-14 02:30:33,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:33,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913385352] [2020-10-14 02:30:33,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:33,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:33,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 02:30:33,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-14 02:30:33,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:33,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:30:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:30:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 02:30:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:30:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:33,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:33,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:33,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 02:30:33,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:33,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:33,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:33,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:30:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:30:33,784 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 02:30:33,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913385352] [2020-10-14 02:30:33,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:30:33,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:30:33,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284542056] [2020-10-14 02:30:33,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:30:33,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:33,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:30:33,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:30:33,823 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 02:30:35,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:35,342 INFO L93 Difference]: Finished difference Result 588 states and 1005 transitions. [2020-10-14 02:30:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:35,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-14 02:30:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:35,361 INFO L225 Difference]: With dead ends: 588 [2020-10-14 02:30:35,361 INFO L226 Difference]: Without dead ends: 296 [2020-10-14 02:30:35,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:35,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-14 02:30:35,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-14 02:30:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 02:30:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 407 transitions. [2020-10-14 02:30:35,447 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 407 transitions. Word has length 33 [2020-10-14 02:30:35,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:35,448 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 407 transitions. [2020-10-14 02:30:35,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:30:35,448 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 407 transitions. [2020-10-14 02:30:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 02:30:35,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:35,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:35,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:30:35,455 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:35,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1397364058, now seen corresponding path program 1 times [2020-10-14 02:30:35,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:35,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136038479] [2020-10-14 02:30:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:35,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:35,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:36,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:36,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 02:30:36,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:30:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-14 02:30:36,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:36,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:36,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:36,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 02:30:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 02:30:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:36,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:36,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:36,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:36,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:36,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:36,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:36,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:36,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:30:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 02:30:36,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:36,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:30:36,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:36,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136038479] [2020-10-14 02:30:36,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:36,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:30:36,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967558052] [2020-10-14 02:30:36,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:30:36,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:36,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:30:36,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:30:36,375 INFO L87 Difference]: Start difference. First operand 296 states and 407 transitions. Second operand 6 states. [2020-10-14 02:30:38,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:38,285 INFO L93 Difference]: Finished difference Result 876 states and 1268 transitions. [2020-10-14 02:30:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:30:38,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-10-14 02:30:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:38,299 INFO L225 Difference]: With dead ends: 876 [2020-10-14 02:30:38,301 INFO L226 Difference]: Without dead ends: 729 [2020-10-14 02:30:38,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:30:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-10-14 02:30:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2020-10-14 02:30:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-10-14 02:30:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 975 transitions. [2020-10-14 02:30:38,404 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 975 transitions. Word has length 103 [2020-10-14 02:30:38,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:38,405 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 975 transitions. [2020-10-14 02:30:38,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:30:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 975 transitions. [2020-10-14 02:30:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 02:30:38,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:38,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:38,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:30:38,416 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:38,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:38,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1491813086, now seen corresponding path program 1 times [2020-10-14 02:30:38,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:38,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689037249] [2020-10-14 02:30:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:38,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:38,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:30:39,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 714 [2020-10-14 02:30:39,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:30:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 02:30:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:39,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:39,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:39,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:39,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:39,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:39,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:39,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:30:39,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 02:30:39,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:30:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:30:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:39,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689037249] [2020-10-14 02:30:39,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:39,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:39,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308391170] [2020-10-14 02:30:39,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:39,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:39,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:39,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:39,396 INFO L87 Difference]: Start difference. First operand 729 states and 975 transitions. Second operand 5 states. [2020-10-14 02:30:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:40,547 INFO L93 Difference]: Finished difference Result 1166 states and 1616 transitions. [2020-10-14 02:30:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:40,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-14 02:30:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:40,556 INFO L225 Difference]: With dead ends: 1166 [2020-10-14 02:30:40,556 INFO L226 Difference]: Without dead ends: 1164 [2020-10-14 02:30:40,557 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 02:30:40,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-14 02:30:40,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2020-10-14 02:30:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2020-10-14 02:30:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1614 transitions. [2020-10-14 02:30:40,601 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1614 transitions. Word has length 107 [2020-10-14 02:30:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:40,602 INFO L479 AbstractCegarLoop]: Abstraction has 1164 states and 1614 transitions. [2020-10-14 02:30:40,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1614 transitions. [2020-10-14 02:30:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 02:30:40,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:40,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:40,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:30:40,608 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:40,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1169672974, now seen corresponding path program 1 times [2020-10-14 02:30:40,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:40,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233872918] [2020-10-14 02:30:40,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:40,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:41,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-14 02:30:41,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-14 02:30:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:41,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 02:30:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 02:30:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:41,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:41,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:41,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:41,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:41,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:30:41,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:41,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:41,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:41,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:41,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 02:30:41,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 02:30:41,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:41,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 02:30:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:42,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233872918] [2020-10-14 02:30:42,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:42,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:42,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600308128] [2020-10-14 02:30:42,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:42,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:42,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:42,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:42,071 INFO L87 Difference]: Start difference. First operand 1164 states and 1614 transitions. Second operand 5 states. [2020-10-14 02:30:43,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:43,349 INFO L93 Difference]: Finished difference Result 2471 states and 3507 transitions. [2020-10-14 02:30:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:43,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-14 02:30:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:43,359 INFO L225 Difference]: With dead ends: 2471 [2020-10-14 02:30:43,359 INFO L226 Difference]: Without dead ends: 1164 [2020-10-14 02:30:43,363 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 02:30:43,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-14 02:30:43,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2020-10-14 02:30:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2020-10-14 02:30:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1565 transitions. [2020-10-14 02:30:43,407 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1565 transitions. Word has length 145 [2020-10-14 02:30:43,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:43,409 INFO L479 AbstractCegarLoop]: Abstraction has 1164 states and 1565 transitions. [2020-10-14 02:30:43,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1565 transitions. [2020-10-14 02:30:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 02:30:43,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:43,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:43,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:30:43,414 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:43,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:43,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1744412086, now seen corresponding path program 1 times [2020-10-14 02:30:43,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:43,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676370511] [2020-10-14 02:30:43,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:43,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:43,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:44,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:44,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:44,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 02:30:44,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1362 [2020-10-14 02:30:44,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:44,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 02:30:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 02:30:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:44,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:44,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:44,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:44,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:44,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:44,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:44,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:45,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:45,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:30:45,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 02:30:45,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:45,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:45,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 02:30:45,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:45,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676370511] [2020-10-14 02:30:45,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:45,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:45,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767003988] [2020-10-14 02:30:45,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:45,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:45,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:45,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:45,128 INFO L87 Difference]: Start difference. First operand 1164 states and 1565 transitions. Second operand 5 states. [2020-10-14 02:30:46,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:46,322 INFO L93 Difference]: Finished difference Result 2179 states and 2954 transitions. [2020-10-14 02:30:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:46,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-14 02:30:46,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:46,326 INFO L225 Difference]: With dead ends: 2179 [2020-10-14 02:30:46,326 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:30:46,332 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 02:30:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:30:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:30:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:30:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:30:46,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-10-14 02:30:46,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:46,337 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:30:46,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:30:46,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:30:46,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:30:46,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:30:46,627 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-14 02:30:46,689 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:30:46,690 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 02:30:46,690 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,691 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 02:30:46,692 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,693 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 02:30:46,694 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 02:30:46,695 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 02:30:46,695 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 02:30:46,695 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 02:30:46,695 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 02:30:46,695 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 02:30:46,695 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,696 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,697 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 02:30:46,697 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 02:30:46,697 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 02:30:46,698 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 02:30:46,698 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 02:30:46,698 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 02:30:46,698 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 02:30:46,698 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 02:30:46,698 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 02:30:46,699 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 02:30:46,699 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,699 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,699 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,700 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,700 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 02:30:46,701 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,702 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 02:30:46,703 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,704 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 02:30:46,705 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 02:30:46,705 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 02:30:46,705 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 02:30:46,734 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 02:30:46,735 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 02:30:46,737 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 02:30:46,738 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 02:30:46,739 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 02:30:46,739 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 02:30:46,739 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 02:30:46,742 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 02:30:46,742 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 02:30:46,743 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 02:30:46,744 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 02:30:46,745 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 02:30:46,747 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 8 |old(~a19~0)|))) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or (not (= 6 |old(~a19~0)|)) .cse0) (or .cse0 (= 0 |old(~a10~0)|)))) [2020-10-14 02:30:46,747 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 02:30:46,747 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 02:30:46,747 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,748 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 02:30:46,749 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,750 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 02:30:46,751 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,752 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 02:30:46,753 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 02:30:46,754 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 02:30:46,755 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 02:30:46,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:30:46,755 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= 23 ~a1~0)) [2020-10-14 02:30:46,755 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:30:46,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:30:46,755 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 02:30:46,755 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:30:46,756 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (= ~a19~0 8) (not (<= 9 |old(~a19~0)|)) (not (= ~a10~0 0)) (<= 9 ~a19~0) (= ~a19~0 6) (not (= 23 |old(~a1~0)|))) [2020-10-14 02:30:46,756 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 02:30:46,756 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 02:30:46,756 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (= ~a19~0 8) (not (<= 9 |old(~a19~0)|)) (not (= ~a10~0 0)) (<= 9 ~a19~0) (= ~a19~0 6) (not (= 23 |old(~a1~0)|))) [2020-10-14 02:30:46,756 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:30:46,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:30:46 BoogieIcfgContainer [2020-10-14 02:30:46,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:30:46,786 INFO L168 Benchmark]: Toolchain (without parser) took 16127.69 ms. Allocated memory was 137.4 MB in the beginning and 506.5 MB in the end (delta: 369.1 MB). Free memory was 98.9 MB in the beginning and 464.8 MB in the end (delta: -366.0 MB). Peak memory consumption was 328.5 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:46,787 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 118.8 MB in the beginning and 118.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 02:30:46,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.65 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.9 MB in the beginning and 168.0 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:46,796 INFO L168 Benchmark]: Boogie Preprocessor took 133.17 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 162.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:46,797 INFO L168 Benchmark]: RCFGBuilder took 1479.69 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 162.7 MB in the beginning and 179.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:46,798 INFO L168 Benchmark]: TraceAbstraction took 13805.91 ms. Allocated memory was 232.3 MB in the beginning and 506.5 MB in the end (delta: 274.2 MB). Free memory was 177.8 MB in the beginning and 464.8 MB in the end (delta: -287.0 MB). Peak memory consumption was 312.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:46,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 118.8 MB in the beginning and 118.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.65 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.9 MB in the beginning and 168.0 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.17 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 162.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1479.69 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 162.7 MB in the beginning and 179.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13805.91 ms. Allocated memory was 232.3 MB in the beginning and 506.5 MB in the end (delta: 274.2 MB). Free memory was 177.8 MB in the beginning and 464.8 MB in the end (delta: -287.0 MB). Peak memory consumption was 312.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: 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 || !(9 <= \old(a19))) || !(a10 == 0)) || 9 <= a19) || a19 == 6) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 1973 SDslu, 87 SDs, 0 SdLazy, 3605 SolverSat, 553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1164occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 32 PreInvPairs, 56 NumberOfFragments, 162 HoareAnnotationTreeSize, 32 FomulaSimplifications, 230 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 498 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 123468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 100/104 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...