/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:48:42,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:48:42,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:48:42,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:48:42,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:48:42,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:48:42,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:48:42,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:48:42,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:48:42,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:48:42,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:48:42,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:48:42,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:48:42,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:48:42,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:48:42,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:48:42,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:48:42,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:48:42,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:48:42,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:48:42,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:48:42,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:48:42,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:48:42,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:48:42,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:48:42,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:48:42,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:48:42,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:48:42,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:48:42,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:48:42,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:48:42,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:48:42,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:48:42,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:48:42,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:48:42,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:48:42,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:48:42,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:48:42,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:48:42,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:48:42,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:48:42,550 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 [2020-10-29 04:48:42,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:48:42,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:48:42,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:48:42,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:48:42,580 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:48:42,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:48:42,581 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:48:42,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:48:42,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:48:42,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:48:42,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:48:42,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:48:42,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:48:42,582 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:48:42,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:48:42,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:48:42,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:48:42,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:48:42,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:48:42,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:48:42,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:48:42,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:48:42,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:48:42,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:48:42,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:48:42,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:48:42,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:48:42,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:48:42,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:48:42,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:48:43,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:48:43,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:48:43,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:48:43,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:48:43,077 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:48:43,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-10-29 04:48:43,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/667f20ff3/af9bc97b0873422f96a5629b677b8ca1/FLAG42c63d81d [2020-10-29 04:48:44,035 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:48:44,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-10-29 04:48:44,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/667f20ff3/af9bc97b0873422f96a5629b677b8ca1/FLAG42c63d81d [2020-10-29 04:48:44,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/667f20ff3/af9bc97b0873422f96a5629b677b8ca1 [2020-10-29 04:48:44,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:48:44,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:48:44,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:48:44,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:48:44,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:48:44,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:44" (1/1) ... [2020-10-29 04:48:44,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4755c547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:44, skipping insertion in model container [2020-10-29 04:48:44,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:44" (1/1) ... [2020-10-29 04:48:44,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:48:44,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:48:44,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:48:44,859 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:48:45,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:48:45,105 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:48:45,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45 WrapperNode [2020-10-29 04:48:45,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:48:45,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:48:45,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:48:45,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:48:45,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (1/1) ... [2020-10-29 04:48:45,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:48:45,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:48:45,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:48:45,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:48:45,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (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 [2020-10-29 04:48:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:48:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:48:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:48:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:48:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:48:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:48:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:48:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:48:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:48:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:48:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:48:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:48:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:48:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:48:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:48:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:48:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:48:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:48:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:48:46,494 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:48:46,494 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:48:46,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:46 BoogieIcfgContainer [2020-10-29 04:48:46,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:48:46,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:48:46,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:48:46,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:48:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:48:44" (1/3) ... [2020-10-29 04:48:46,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af375d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:46, skipping insertion in model container [2020-10-29 04:48:46,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:45" (2/3) ... [2020-10-29 04:48:46,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af375d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:46, skipping insertion in model container [2020-10-29 04:48:46,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:46" (3/3) ... [2020-10-29 04:48:46,507 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2020-10-29 04:48:46,519 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:48:46,525 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:48:46,540 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:48:46,571 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:48:46,572 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:48:46,572 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:48:46,572 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:48:46,572 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:48:46,572 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:48:46,572 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:48:46,572 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:48:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:48:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-29 04:48:46,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:46,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:46,615 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:46,623 INFO L82 PathProgramCache]: Analyzing trace with hash -2112138307, now seen corresponding path program 1 times [2020-10-29 04:48:46,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:46,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95517443] [2020-10-29 04:48:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:47,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:47,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 04:48:49,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:48:49,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2076 [2020-10-29 04:48:49,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:48:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:48:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 04:48:49,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:48:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:49,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:49,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 04:48:49,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:48:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:49,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95517443] [2020-10-29 04:48:49,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:48:49,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:48:49,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321718494] [2020-10-29 04:48:49,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:48:49,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:49,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:48:49,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:48:49,550 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:48:51,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:51,823 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-29 04:48:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:51,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-10-29 04:48:51,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:51,846 INFO L225 Difference]: With dead ends: 632 [2020-10-29 04:48:51,846 INFO L226 Difference]: Without dead ends: 328 [2020-10-29 04:48:51,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:51,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-29 04:48:51,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-29 04:48:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-29 04:48:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-29 04:48:51,944 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 142 [2020-10-29 04:48:51,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:51,945 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-29 04:48:51,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:48:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-29 04:48:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-29 04:48:51,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:51,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:51,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:48:51,960 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:51,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:51,960 INFO L82 PathProgramCache]: Analyzing trace with hash -2037767056, now seen corresponding path program 1 times [2020-10-29 04:48:51,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:51,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294960771] [2020-10-29 04:48:51,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:52,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:52,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:53,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 04:48:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:48:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1756 [2020-10-29 04:48:53,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:53,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 04:48:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-29 04:48:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:53,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:53,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:48:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:53,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:53,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:53,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:53,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 04:48:53,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:48:53,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:53,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 04:48:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:54,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:54,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294960771] [2020-10-29 04:48:54,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:54,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:54,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717697508] [2020-10-29 04:48:54,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:54,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:54,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:54,060 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 5 states. [2020-10-29 04:48:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:55,904 INFO L93 Difference]: Finished difference Result 947 states and 1445 transitions. [2020-10-29 04:48:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:55,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-29 04:48:55,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:55,910 INFO L225 Difference]: With dead ends: 947 [2020-10-29 04:48:55,911 INFO L226 Difference]: Without dead ends: 633 [2020-10-29 04:48:55,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-29 04:48:55,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 484. [2020-10-29 04:48:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-29 04:48:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 714 transitions. [2020-10-29 04:48:55,999 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 714 transitions. Word has length 157 [2020-10-29 04:48:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:56,000 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 714 transitions. [2020-10-29 04:48:56,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 714 transitions. [2020-10-29 04:48:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-29 04:48:56,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:56,012 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:56,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:48:56,012 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:56,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:56,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1449470834, now seen corresponding path program 1 times [2020-10-29 04:48:56,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:56,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116406006] [2020-10-29 04:48:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:56,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:56,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:57,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:57,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-29 04:48:57,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:48:57,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1531 [2020-10-29 04:48:57,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:57,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:48:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-29 04:48:57,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:48:57,793 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:57,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:57,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:57,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:57,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:57,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:48:57,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:57,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:57,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:57,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:57,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:48:57,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 04:48:57,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:57,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:48:57,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:57,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116406006] [2020-10-29 04:48:57,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:57,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:57,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562611377] [2020-10-29 04:48:57,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:57,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:57,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:57,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:57,936 INFO L87 Difference]: Start difference. First operand 484 states and 714 transitions. Second operand 5 states. [2020-10-29 04:48:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:59,841 INFO L93 Difference]: Finished difference Result 1415 states and 2144 transitions. [2020-10-29 04:48:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:59,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-29 04:48:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:59,850 INFO L225 Difference]: With dead ends: 1415 [2020-10-29 04:48:59,850 INFO L226 Difference]: Without dead ends: 937 [2020-10-29 04:48:59,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:59,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-29 04:48:59,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2020-10-29 04:48:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-10-29 04:48:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1225 transitions. [2020-10-29 04:48:59,900 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1225 transitions. Word has length 164 [2020-10-29 04:48:59,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:59,901 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1225 transitions. [2020-10-29 04:48:59,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1225 transitions. [2020-10-29 04:48:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-29 04:48:59,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:59,907 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:59,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:48:59,907 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:59,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:59,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1784633926, now seen corresponding path program 1 times [2020-10-29 04:48:59,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:59,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530159922] [2020-10-29 04:48:59,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:00,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 04:49:01,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:49:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1313 [2020-10-29 04:49:01,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:01,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:49:01,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-29 04:49:01,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:01,549 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:01,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:01,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 04:49:01,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:01,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:01,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:49:01,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 04:49:01,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:49:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:49:01,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530159922] [2020-10-29 04:49:01,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:01,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:49:01,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649151599] [2020-10-29 04:49:01,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:01,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:01,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:01,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:01,835 INFO L87 Difference]: Start difference. First operand 926 states and 1225 transitions. Second operand 5 states. [2020-10-29 04:49:01,990 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 04:49:03,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:03,565 INFO L93 Difference]: Finished difference Result 2598 states and 3541 transitions. [2020-10-29 04:49:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:49:03,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-29 04:49:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:03,581 INFO L225 Difference]: With dead ends: 2598 [2020-10-29 04:49:03,581 INFO L226 Difference]: Without dead ends: 1678 [2020-10-29 04:49:03,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:49:03,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2020-10-29 04:49:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1518. [2020-10-29 04:49:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-10-29 04:49:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1967 transitions. [2020-10-29 04:49:03,675 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1967 transitions. Word has length 168 [2020-10-29 04:49:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:03,675 INFO L481 AbstractCegarLoop]: Abstraction has 1518 states and 1967 transitions. [2020-10-29 04:49:03,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:49:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1967 transitions. [2020-10-29 04:49:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-29 04:49:03,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:03,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:03,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:49:03,684 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:03,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:03,685 INFO L82 PathProgramCache]: Analyzing trace with hash -776869998, now seen corresponding path program 1 times [2020-10-29 04:49:03,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:03,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666038233] [2020-10-29 04:49:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:03,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:04,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:06,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-29 04:49:08,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 04:49:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 04:49:08,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:08,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 04:49:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-29 04:49:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-29 04:49:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:08,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:08,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:08,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:08,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:49:08,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:08,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:08,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:08,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:08,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 04:49:08,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:08,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:49:08,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:08,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:08,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:08,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:08,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 04:49:08,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:08,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 04:49:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:09,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:09,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:09,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 04:49:09,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:49:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 04:49:09,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:09,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 04:49:09,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:49:09,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666038233] [2020-10-29 04:49:09,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:09,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 04:49:09,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458536785] [2020-10-29 04:49:09,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:49:09,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:09,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:49:09,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:49:09,605 INFO L87 Difference]: Start difference. First operand 1518 states and 1967 transitions. Second operand 8 states. [2020-10-29 04:49:09,856 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 04:49:13,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:13,058 INFO L93 Difference]: Finished difference Result 4868 states and 6748 transitions. [2020-10-29 04:49:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 04:49:13,059 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 233 [2020-10-29 04:49:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:13,071 INFO L225 Difference]: With dead ends: 4868 [2020-10-29 04:49:13,071 INFO L226 Difference]: Without dead ends: 1570 [2020-10-29 04:49:13,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-29 04:49:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2020-10-29 04:49:13,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1555. [2020-10-29 04:49:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-10-29 04:49:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2012 transitions. [2020-10-29 04:49:13,161 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2012 transitions. Word has length 233 [2020-10-29 04:49:13,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:13,161 INFO L481 AbstractCegarLoop]: Abstraction has 1555 states and 2012 transitions. [2020-10-29 04:49:13,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:49:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2012 transitions. [2020-10-29 04:49:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-29 04:49:13,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:13,171 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:13,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:49:13,171 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:13,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:13,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1261973410, now seen corresponding path program 1 times [2020-10-29 04:49:13,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:13,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772242198] [2020-10-29 04:49:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:13,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:13,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:13,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:13,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:18,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:18,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 04:49:18,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 04:49:18,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-29 04:49:18,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:18,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 04:49:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-29 04:49:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-29 04:49:18,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:18,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:18,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:18,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:18,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:18,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:18,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:18,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:18,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:49:18,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:18,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:49:18,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:18,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:18,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:18,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:18,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:18,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:18,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:49:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:18,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:18,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:18,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 04:49:18,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:49:18,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:18,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:18,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:18,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:18,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:18,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:18,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 04:49:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:18,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:18,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:18,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 04:49:18,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 04:49:18,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:18,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 04:49:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:18,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-29 04:49:18,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772242198] [2020-10-29 04:49:18,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:18,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:49:18,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796262172] [2020-10-29 04:49:18,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:49:18,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:18,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:49:18,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:49:18,956 INFO L87 Difference]: Start difference. First operand 1555 states and 2012 transitions. Second operand 6 states. [2020-10-29 04:49:19,520 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:49:20,691 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 04:49:21,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:21,650 INFO L93 Difference]: Finished difference Result 3367 states and 4452 transitions. [2020-10-29 04:49:21,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:49:21,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 243 [2020-10-29 04:49:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:21,652 INFO L225 Difference]: With dead ends: 3367 [2020-10-29 04:49:21,652 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:49:21,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:49:21,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:49:21,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:49:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:49:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:49:21,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2020-10-29 04:49:21,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:21,662 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:49:21,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:49:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:49:21,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:49:21,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:49:21,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:49:22,559 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 30 [2020-10-29 04:49:22,687 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 30 [2020-10-29 04:49:22,804 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2020-10-29 04:49:22,929 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2020-10-29 04:49:23,531 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 48 [2020-10-29 04:49:23,771 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:49:23,771 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:49:23,771 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:49:23,772 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:49:23,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:49:23,772 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:49:23,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:49:23,772 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:49:23,773 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:49:23,773 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:49:23,773 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:49:23,773 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:49:23,773 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:49:23,773 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:49:23,774 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:49:23,775 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:49:23,776 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:49:23,777 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:49:23,778 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:49:23,779 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,780 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:49:23,781 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,782 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L270 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (and (or (not (<= |old(~a19~0)| 1)) (not (<= 1 |old(~a19~0)|))) (not (= 10 |old(~a28~0)|)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (or (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (<= |old(~a25~0)| |old(~a11~0)|)))) [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L579-1(line 579) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:49:23,783 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:49:23,784 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:49:23,785 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:49:23,786 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:49:23,787 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,788 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:49:23,789 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:49:23,790 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:49:23,790 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:49:23,790 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse5 .cse1 .cse2 .cse3 .cse4))) (and (or .cse0 (not (= 0 |old(~a11~0)|))) (or (and .cse1 .cse2 .cse3 .cse4 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or (not (<= |old(~a19~0)| 1)) .cse0 (not (<= 1 |old(~a19~0)|))) (or (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (and .cse5 .cse1 .cse3 (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1)) .cse4) (not (<= |old(~a25~0)| |old(~a11~0)|))) (or (not (<= 8 |old(~a17~0)|)) .cse0)))) [2020-10-29 04:49:23,790 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:49:23,790 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:49:23,790 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:49:23,790 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,791 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:49:23,792 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:49:23,793 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:49:23,794 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:49:23,795 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:49:23,796 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:49:23,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:49:23,796 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (<= ~a25~0 ~a11~0) (= ~a11~0 0) (< ~a11~0 (+ ~a25~0 1))) [2020-10-29 04:49:23,796 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:49:23,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:49:23,796 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (and (= ~a19~0 1) (= ~a21~0 1) (= ~a11~0 1)) (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (= 0 |old(~a11~0)|)) (and (<= |old(~a19~0)| 1) (<= |old(~a19~0)| ~a19~0) (<= 1 |old(~a19~0)|) (<= ~a19~0 |old(~a19~0)|)) (<= 8 ~a17~0) (and (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1))) (= ~a11~0 0) (not (<= |old(~a25~0)| |old(~a11~0)|)) (= ~a28~0 10)) [2020-10-29 04:49:23,796 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|) (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1)) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a25~0)| |old(~a11~0)|))) [2020-10-29 04:49:23,797 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:49:23,797 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:49:23,797 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (and (= ~a19~0 1) (= ~a21~0 1) (= ~a11~0 1)) (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (= 0 |old(~a11~0)|)) (and (<= |old(~a19~0)| 1) (<= |old(~a19~0)| ~a19~0) (<= 1 |old(~a19~0)|) (<= ~a19~0 |old(~a19~0)|)) (<= 8 ~a17~0) (and (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1))) (= ~a11~0 0) (not (<= |old(~a25~0)| |old(~a11~0)|)) (= ~a28~0 10)) [2020-10-29 04:49:23,797 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:49:23,797 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:49:23,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:49:23 BoogieIcfgContainer [2020-10-29 04:49:23,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:49:23,827 INFO L168 Benchmark]: Toolchain (without parser) took 39553.71 ms. Allocated memory was 155.2 MB in the beginning and 813.7 MB in the end (delta: 658.5 MB). Free memory was 128.7 MB in the beginning and 388.4 MB in the end (delta: -259.7 MB). Peak memory consumption was 399.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:23,827 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:49:23,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.91 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 134.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:23,829 INFO L168 Benchmark]: Boogie Preprocessor took 134.73 ms. Allocated memory is still 155.2 MB. Free memory was 134.5 MB in the beginning and 129.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:23,830 INFO L168 Benchmark]: RCFGBuilder took 1254.20 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 111.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:23,831 INFO L168 Benchmark]: TraceAbstraction took 37325.79 ms. Allocated memory was 155.2 MB in the beginning and 813.7 MB in the end (delta: 658.5 MB). Free memory was 110.5 MB in the beginning and 388.4 MB in the end (delta: -277.9 MB). Peak memory consumption was 380.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:23,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 826.91 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 134.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.73 ms. Allocated memory is still 155.2 MB. Free memory was 134.5 MB in the beginning and 129.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1254.20 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 111.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 37325.79 ms. Allocated memory was 155.2 MB in the beginning and 813.7 MB in the end (delta: 658.5 MB). Free memory was 110.5 MB in the beginning and 388.4 MB in the end (delta: -277.9 MB). Peak memory consumption was 380.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: ((((((((!(8 <= \old(a17)) || ((a19 == 1 && a21 == 1) && a11 == 1)) || !(\old(a11) < \old(a25) + 1)) || !(0 == \old(a11))) || (((\old(a19) <= 1 && \old(a19) <= a19) && 1 <= \old(a19)) && a19 <= \old(a19))) || 8 <= a17) || (a25 <= a11 && a11 < a25 + 1)) || a11 == 0) || !(\old(a25) <= \old(a11))) || a28 == 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 2204 SDslu, 279 SDs, 0 SdLazy, 5737 SolverSat, 782 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1555occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 343 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 160 PreInvPairs, 244 NumberOfFragments, 413 HoareAnnotationTreeSize, 160 FomulaSimplifications, 35844 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3186 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 1107 NumberOfCodeBlocks, 1107 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1101 ConstructedInterpolants, 0 QuantifiedInterpolants, 1916058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 198/276 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...