/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:06:36,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:06:36,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:06:36,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:06:36,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:06:36,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:06:36,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:06:36,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:06:36,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:06:36,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:06:36,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:06:36,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:06:36,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:06:36,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:06:36,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:06:36,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:06:36,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:06:36,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:06:36,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:06:36,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:06:36,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:06:36,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:06:36,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:06:36,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:06:36,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:06:36,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:06:36,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:06:36,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:06:36,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:06:36,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:06:36,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:06:36,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:06:36,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:06:36,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:06:36,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:06:36,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:06:36,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:06:36,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:06:36,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:06:36,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:06:36,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:06:36,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 13:06:36,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:06:36,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:06:36,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:06:36,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:06:36,569 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:06:36,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:06:36,569 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:06:36,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:06:36,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:06:36,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:06:36,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:06:36,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:06:36,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:06:36,572 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:06:36,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:06:36,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:06:36,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:06:36,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:06:36,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:06:36,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:06:36,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:06:36,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:36,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:06:36,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:06:36,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:06:36,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:06:36,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:06:36,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:06:36,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:06:36,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:06:36,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:06:36,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:06:36,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:06:36,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:06:36,941 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:06:36,942 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-10-12 13:06:36,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d99c429f/734d676069204ebbbab2b8f48e4082d3/FLAG4d107c374 [2020-10-12 13:06:37,581 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:06:37,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-10-12 13:06:37,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d99c429f/734d676069204ebbbab2b8f48e4082d3/FLAG4d107c374 [2020-10-12 13:06:37,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d99c429f/734d676069204ebbbab2b8f48e4082d3 [2020-10-12 13:06:37,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:06:37,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:06:37,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:37,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:06:37,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:06:37,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:37" (1/1) ... [2020-10-12 13:06:37,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da42254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:37, skipping insertion in model container [2020-10-12 13:06:37,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:37" (1/1) ... [2020-10-12 13:06:37,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:06:37,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:06:38,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:38,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:06:38,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:38,695 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:06:38,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38 WrapperNode [2020-10-12 13:06:38,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:38,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:06:38,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:06:38,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:06:38,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... [2020-10-12 13:06:38,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:06:38,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:06:38,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:06:38,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:06:38,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:06:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:06:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:06:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:06:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:06:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:06:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:06:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:06:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:06:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:06:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:06:40,107 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:06:40,107 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:06:40,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:40 BoogieIcfgContainer [2020-10-12 13:06:40,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:06:40,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:06:40,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:06:40,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:06:40,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:06:37" (1/3) ... [2020-10-12 13:06:40,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3143c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:40, skipping insertion in model container [2020-10-12 13:06:40,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:38" (2/3) ... [2020-10-12 13:06:40,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3143c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:40, skipping insertion in model container [2020-10-12 13:06:40,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:40" (3/3) ... [2020-10-12 13:06:40,124 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2020-10-12 13:06:40,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:06:40,145 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:06:40,160 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:06:40,188 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:06:40,189 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:06:40,189 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:06:40,189 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:06:40,189 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:06:40,189 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:06:40,190 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:06:40,190 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:06:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:06:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-12 13:06:40,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:40,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:40,226 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:40,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:40,233 INFO L82 PathProgramCache]: Analyzing trace with hash 664864703, now seen corresponding path program 1 times [2020-10-12 13:06:40,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:40,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693593736] [2020-10-12 13:06:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:40,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:40,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 13:06:40,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-12 13:06:40,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 13:06:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:06:41,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:41,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:41,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:41,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:41,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 13:06:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:41,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693593736] [2020-10-12 13:06:41,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:41,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 13:06:41,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603439560] [2020-10-12 13:06:41,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:41,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:41,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:41,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:41,095 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-12 13:06:43,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:43,112 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-10-12 13:06:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:06:43,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-10-12 13:06:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:43,150 INFO L225 Difference]: With dead ends: 730 [2020-10-12 13:06:43,151 INFO L226 Difference]: Without dead ends: 447 [2020-10-12 13:06:43,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-12 13:06:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-12 13:06:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-12 13:06:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-10-12 13:06:43,253 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 68 [2020-10-12 13:06:43,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:43,254 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-10-12 13:06:43,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-10-12 13:06:43,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 13:06:43,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:43,262 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:43,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:06:43,263 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:43,264 INFO L82 PathProgramCache]: Analyzing trace with hash -613948535, now seen corresponding path program 1 times [2020-10-12 13:06:43,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:43,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182397388] [2020-10-12 13:06:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 13:06:44,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:44,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1281 [2020-10-12 13:06:44,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:06:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:44,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:06:44,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:44,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:44,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:06:44,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 13:06:44,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:44,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:44,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:44,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:44,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182397388] [2020-10-12 13:06:44,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:44,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 13:06:44,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263437994] [2020-10-12 13:06:44,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:06:44,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:44,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:06:44,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:44,937 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-10-12 13:06:46,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:46,526 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-10-12 13:06:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:06:46,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-10-12 13:06:46,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:46,532 INFO L225 Difference]: With dead ends: 1041 [2020-10-12 13:06:46,532 INFO L226 Difference]: Without dead ends: 606 [2020-10-12 13:06:46,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:06:46,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-10-12 13:06:46,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-10-12 13:06:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-12 13:06:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-10-12 13:06:46,575 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 141 [2020-10-12 13:06:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:46,576 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-10-12 13:06:46,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:06:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-10-12 13:06:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 13:06:46,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:46,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:46,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:06:46,580 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:46,581 INFO L82 PathProgramCache]: Analyzing trace with hash -628006051, now seen corresponding path program 1 times [2020-10-12 13:06:46,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:46,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134154360] [2020-10-12 13:06:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:46,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:47,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 13:06:47,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:47,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-10-12 13:06:47,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 13:06:47,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:47,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:47,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:47,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:47,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:47,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:47,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:47,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:47,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:47,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 13:06:47,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:47,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134154360] [2020-10-12 13:06:47,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:47,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:47,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903767282] [2020-10-12 13:06:47,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:47,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:47,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:47,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:47,350 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 5 states. [2020-10-12 13:06:48,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:48,604 INFO L93 Difference]: Finished difference Result 1776 states and 2554 transitions. [2020-10-12 13:06:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:48,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-12 13:06:48,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:48,618 INFO L225 Difference]: With dead ends: 1776 [2020-10-12 13:06:48,618 INFO L226 Difference]: Without dead ends: 1190 [2020-10-12 13:06:48,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2020-10-12 13:06:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1035. [2020-10-12 13:06:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-12 13:06:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1373 transitions. [2020-10-12 13:06:48,673 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1373 transitions. Word has length 147 [2020-10-12 13:06:48,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:48,674 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1373 transitions. [2020-10-12 13:06:48,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:48,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1373 transitions. [2020-10-12 13:06:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 13:06:48,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:48,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:48,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:06:48,679 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:48,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:48,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1447893882, now seen corresponding path program 1 times [2020-10-12 13:06:48,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:48,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622644843] [2020-10-12 13:06:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:48,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-12 13:06:50,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1558 [2020-10-12 13:06:50,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:06:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-12 13:06:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:50,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:50,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:50,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:50,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:06:50,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:50,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:50,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:50,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-12 13:06:50,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:06:50,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:06:50,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622644843] [2020-10-12 13:06:50,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:50,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:06:50,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560959955] [2020-10-12 13:06:50,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:50,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:50,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:50,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:50,739 INFO L87 Difference]: Start difference. First operand 1035 states and 1373 transitions. Second operand 7 states. [2020-10-12 13:06:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:52,259 INFO L93 Difference]: Finished difference Result 2535 states and 3478 transitions. [2020-10-12 13:06:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:06:52,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-10-12 13:06:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:52,271 INFO L225 Difference]: With dead ends: 2535 [2020-10-12 13:06:52,271 INFO L226 Difference]: Without dead ends: 1506 [2020-10-12 13:06:52,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:06:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2020-10-12 13:06:52,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1051. [2020-10-12 13:06:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-10-12 13:06:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1289 transitions. [2020-10-12 13:06:52,337 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1289 transitions. Word has length 158 [2020-10-12 13:06:52,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:52,337 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1289 transitions. [2020-10-12 13:06:52,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1289 transitions. [2020-10-12 13:06:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-12 13:06:52,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:52,343 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:52,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:06:52,344 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:52,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1285953245, now seen corresponding path program 1 times [2020-10-12 13:06:52,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:52,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137690460] [2020-10-12 13:06:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:53,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-12 13:06:53,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:53,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1488 [2020-10-12 13:06:53,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:06:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-12 13:06:53,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:53,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:53,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:54,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:54,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 13:06:54,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:54,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:54,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:06:54,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:54,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:54,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:54,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-12 13:06:54,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:06:54,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 126 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:06:54,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137690460] [2020-10-12 13:06:54,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:54,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:06:54,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414523339] [2020-10-12 13:06:54,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:06:54,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:54,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:06:54,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:54,432 INFO L87 Difference]: Start difference. First operand 1051 states and 1289 transitions. Second operand 8 states. [2020-10-12 13:06:56,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:56,348 INFO L93 Difference]: Finished difference Result 2571 states and 3309 transitions. [2020-10-12 13:06:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 13:06:56,349 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 228 [2020-10-12 13:06:56,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:56,349 INFO L225 Difference]: With dead ends: 2571 [2020-10-12 13:06:56,350 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:06:56,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:06:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:06:56,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:06:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:06:56,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:06:56,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-10-12 13:06:56,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:56,357 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:06:56,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:06:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:06:56,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:06:56,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:06:56,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:06:56,821 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2020-10-12 13:06:56,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:06:56,949 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)|)) [2020-10-12 13:06:56,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:06:56,949 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:06:56,949 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:06:56,950 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:06:56,951 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,952 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:06:56,953 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:06:56,954 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:06:56,955 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:06:56,956 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,957 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:06:56,958 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,959 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:06:56,960 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,961 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:06:56,962 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:06:56,963 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,964 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:06:56,965 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:06:56,966 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,967 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,967 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,967 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,967 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,967 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,967 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:06:56,968 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:06:56,969 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:06:56,969 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:06:56,969 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:06:56,969 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (= 3 |old(~a10~0)|) .cse1) (or (not (= |old(~a10~0)| 1)) .cse0) (or .cse0 .cse1 (= 8 |old(~a19~0)|)) (or (not (<= |old(~a10~0)| 0)) .cse0))) [2020-10-12 13:06:56,969 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:06:56,970 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:06:56,970 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:06:56,970 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,970 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,970 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,970 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,971 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,971 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,971 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:06:56,971 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:06:56,971 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:06:56,971 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:06:56,972 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,973 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,974 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,974 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:06:56,974 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:06:56,974 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:06:56,974 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:06:56,975 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:06:56,975 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:06:56,975 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:06:56,975 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:06:56,975 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:06:56,975 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:06:56,976 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:06:56,976 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:06:56,976 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,976 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,976 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,976 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,977 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,977 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:56,977 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:06:56,977 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:06:56,977 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:06:56,978 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:06:56,978 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:06:56,978 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:06:56,978 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:06:56,978 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:06:56,978 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:06:56,979 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:06:56,979 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:06:56,979 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:06:56,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:06:56,979 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a19~0 9)) [2020-10-12 13:06:56,979 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:06:56,980 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:06:56,980 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) [2020-10-12 13:06:56,980 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:06:56,980 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (= ~a10~0 1) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (and (not (= ~a10~0 3)) .cse0) (not (<= |old(~a19~0)| 9)))) [2020-10-12 13:06:56,980 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:06:56,981 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:06:56,981 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (= ~a10~0 1) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (and (not (= ~a10~0 3)) .cse0) (not (<= |old(~a19~0)| 9)))) [2020-10-12 13:06:56,981 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:06:57,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:06:57 BoogieIcfgContainer [2020-10-12 13:06:57,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:06:57,006 INFO L168 Benchmark]: Toolchain (without parser) took 19106.63 ms. Allocated memory was 140.5 MB in the beginning and 540.0 MB in the end (delta: 399.5 MB). Free memory was 102.2 MB in the beginning and 126.6 MB in the end (delta: -24.5 MB). Peak memory consumption was 375.1 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:57,007 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 13:06:57,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.95 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 168.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:57,008 INFO L168 Benchmark]: Boogie Preprocessor took 118.18 ms. Allocated memory is still 205.0 MB. Free memory was 168.7 MB in the beginning and 164.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:57,009 INFO L168 Benchmark]: RCFGBuilder took 1299.48 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 164.5 MB in the beginning and 178.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:57,011 INFO L168 Benchmark]: TraceAbstraction took 16887.49 ms. Allocated memory was 238.0 MB in the beginning and 540.0 MB in the end (delta: 302.0 MB). Free memory was 176.6 MB in the beginning and 126.6 MB in the end (delta: 50.0 MB). Peak memory consumption was 352.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:57,015 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 793.95 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 168.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.18 ms. Allocated memory is still 205.0 MB. Free memory was 168.7 MB in the beginning and 164.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.48 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 164.5 MB in the beginning and 178.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16887.49 ms. Allocated memory was 238.0 MB in the beginning and 540.0 MB in the end (delta: 302.0 MB). Free memory was 176.6 MB in the beginning and 126.6 MB in the end (delta: 50.0 MB). Peak memory consumption was 352.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: (((((a10 <= 0 || !(\old(a10) <= 0)) || a10 == 1) || (!(a19 == 8) && a19 <= 9)) || !(9 <= \old(a19))) || (!(a10 == 3) && a19 <= 9)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 130 SDtfs, 2368 SDslu, 189 SDs, 0 SdLazy, 4492 SolverSat, 1077 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1051occurred in iteration=4, 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, 630 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 40 PreInvPairs, 64 NumberOfFragments, 205 HoareAnnotationTreeSize, 40 FomulaSimplifications, 10496 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 652 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 336770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 251/375 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...