/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:56:31,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:56:31,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:56:31,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:56:31,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:56:31,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:56:31,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:56:31,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:56:31,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:56:31,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:56:31,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:56:31,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:56:31,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:56:31,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:56:31,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:56:31,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:56:31,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:56:31,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:56:31,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:56:31,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:56:31,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:56:31,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:56:31,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:56:31,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:56:31,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:56:31,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:56:31,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:56:31,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:56:31,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:56:31,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:56:31,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:56:31,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:56:31,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:56:31,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:56:31,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:56:31,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:56:31,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:56:31,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:56:31,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:56:31,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:56:31,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:56:31,428 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 [2020-08-19 04:56:31,469 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:56:31,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:56:31,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:56:31,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:56:31,472 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:56:31,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:56:31,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:56:31,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:56:31,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:56:31,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:56:31,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:56:31,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:56:31,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:56:31,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:56:31,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:56:31,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:56:31,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:56:31,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:56:31,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:56:31,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:56:31,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:56:31,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:56:31,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:56:31,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:56:31,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:56:31,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:56:31,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:56:31,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:56:31,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:56:31,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; [2020-08-19 04:56:31,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:56:31,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:56:31,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:56:31,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:56:31,844 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:56:31,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-19 04:56:31,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e011c84ea/b9a5f70be1dd4f1cbae0da5efb5519ab/FLAGe6eef670d [2020-08-19 04:56:32,538 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:56:32,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-19 04:56:32,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e011c84ea/b9a5f70be1dd4f1cbae0da5efb5519ab/FLAGe6eef670d [2020-08-19 04:56:32,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e011c84ea/b9a5f70be1dd4f1cbae0da5efb5519ab [2020-08-19 04:56:32,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:56:32,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:56:32,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:56:32,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:56:32,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:56:32,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:56:32" (1/1) ... [2020-08-19 04:56:32,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9949ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:32, skipping insertion in model container [2020-08-19 04:56:32,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:56:32" (1/1) ... [2020-08-19 04:56:32,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:56:32,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:56:33,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:56:33,773 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:56:33,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:56:34,011 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:56:34,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34 WrapperNode [2020-08-19 04:56:34,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:56:34,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:56:34,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:56:34,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:56:34,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (1/1) ... [2020-08-19 04:56:34,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:56:34,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:56:34,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:56:34,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:56:34,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (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 [2020-08-19 04:56:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:56:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:56:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 04:56:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-08-19 04:56:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-08-19 04:56:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-08-19 04:56:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-08-19 04:56:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-08-19 04:56:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 04:56:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:56:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-08-19 04:56:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 04:56:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 04:56:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 04:56:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 04:56:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 04:56:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-08-19 04:56:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-08-19 04:56:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-08-19 04:56:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-08-19 04:56:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-08-19 04:56:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-08-19 04:56:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-08-19 04:56:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-08-19 04:56:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-08-19 04:56:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-08-19 04:56:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-08-19 04:56:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-08-19 04:56:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-08-19 04:56:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-08-19 04:56:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-08-19 04:56:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-08-19 04:56:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-08-19 04:56:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-08-19 04:56:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-08-19 04:56:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-08-19 04:56:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-08-19 04:56:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-19 04:56:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 04:56:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-08-19 04:56:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 04:56:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 04:56:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 04:56:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 04:56:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 04:56:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 04:56:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-08-19 04:56:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-08-19 04:56:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-08-19 04:56:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-08-19 04:56:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-08-19 04:56:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-08-19 04:56:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-08-19 04:56:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-08-19 04:56:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-08-19 04:56:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-08-19 04:56:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-08-19 04:56:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-08-19 04:56:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-08-19 04:56:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-08-19 04:56:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-08-19 04:56:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-08-19 04:56:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-08-19 04:56:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-08-19 04:56:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-08-19 04:56:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-08-19 04:56:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-08-19 04:56:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-08-19 04:56:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-08-19 04:56:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-08-19 04:56:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-08-19 04:56:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-08-19 04:56:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-08-19 04:56:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-08-19 04:56:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-08-19 04:56:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-08-19 04:56:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-08-19 04:56:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-08-19 04:56:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-08-19 04:56:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:56:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:56:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 04:56:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-19 04:56:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-08-19 04:56:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-08-19 04:56:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 04:56:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 04:56:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 04:56:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-08-19 04:56:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-08-19 04:56:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-08-19 04:56:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-08-19 04:56:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-08-19 04:56:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-08-19 04:56:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-08-19 04:56:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-08-19 04:56:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-08-19 04:56:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-08-19 04:56:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 04:56:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 04:56:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:56:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-08-19 04:56:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 04:56:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 04:56:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-08-19 04:56:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-08-19 04:56:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-08-19 04:56:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-08-19 04:56:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-08-19 04:56:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-08-19 04:56:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-08-19 04:56:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-08-19 04:56:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-08-19 04:56:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-08-19 04:56:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-08-19 04:56:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-08-19 04:56:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-08-19 04:56:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-08-19 04:56:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-08-19 04:56:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-08-19 04:56:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-08-19 04:56:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-08-19 04:56:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-08-19 04:56:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-08-19 04:56:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-08-19 04:56:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-08-19 04:56:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-08-19 04:56:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-08-19 04:56:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-08-19 04:56:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-08-19 04:56:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-08-19 04:56:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-08-19 04:56:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-08-19 04:56:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-08-19 04:56:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-08-19 04:56:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-08-19 04:56:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-19 04:56:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 04:56:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-08-19 04:56:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-08-19 04:56:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 04:56:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 04:56:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 04:56:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 04:56:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 04:56:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 04:56:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 04:56:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 04:56:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 04:56:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 04:56:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 04:56:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 04:56:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 04:56:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 04:56:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 04:56:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 04:56:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-08-19 04:56:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-08-19 04:56:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-08-19 04:56:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-08-19 04:56:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-08-19 04:56:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-08-19 04:56:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-08-19 04:56:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-08-19 04:56:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-08-19 04:56:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-08-19 04:56:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-08-19 04:56:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-08-19 04:56:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-08-19 04:56:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-08-19 04:56:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-08-19 04:56:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-08-19 04:56:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-08-19 04:56:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-08-19 04:56:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-08-19 04:56:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-08-19 04:56:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-08-19 04:56:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-08-19 04:56:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-08-19 04:56:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-08-19 04:56:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-08-19 04:56:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-08-19 04:56:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:56:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 04:56:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:56:36,128 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:56:36,128 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-19 04:56:36,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:56:36 BoogieIcfgContainer [2020-08-19 04:56:36,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:56:36,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:56:36,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:56:36,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:56:36,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:56:32" (1/3) ... [2020-08-19 04:56:36,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c60a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:56:36, skipping insertion in model container [2020-08-19 04:56:36,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:56:34" (2/3) ... [2020-08-19 04:56:36,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c60a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:56:36, skipping insertion in model container [2020-08-19 04:56:36,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:56:36" (3/3) ... [2020-08-19 04:56:36,143 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-08-19 04:56:36,154 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:56:36,164 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:56:36,179 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:56:36,207 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:56:36,207 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:56:36,208 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:56:36,208 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:56:36,208 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:56:36,208 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:56:36,208 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:56:36,208 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:56:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-08-19 04:56:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-19 04:56:36,252 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:56:36,254 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-08-19 04:56:36,254 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:56:36,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:56:36,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2020-08-19 04:56:36,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:56:36,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467099041] [2020-08-19 04:56:36,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:56:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,187 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 04:56:38,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:56:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:56:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:56:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:56:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:56:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 04:56:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-19 04:56:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-19 04:56:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:56:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:56:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-19 04:56:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-19 04:56:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-19 04:56:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-19 04:56:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-19 04:56:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-19 04:56:38,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467099041] [2020-08-19 04:56:38,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:56:38,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 04:56:38,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301477130] [2020-08-19 04:56:38,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 04:56:38,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:56:38,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 04:56:38,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:56:38,646 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 13 states. [2020-08-19 04:56:40,670 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 04:56:42,211 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-19 04:56:43,435 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 04:56:44,681 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 04:56:50,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:56:50,657 INFO L93 Difference]: Finished difference Result 573 states and 804 transitions. [2020-08-19 04:56:50,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 04:56:50,659 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-08-19 04:56:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:56:50,676 INFO L225 Difference]: With dead ends: 573 [2020-08-19 04:56:50,676 INFO L226 Difference]: Without dead ends: 340 [2020-08-19 04:56:50,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2020-08-19 04:56:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-08-19 04:56:50,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 208. [2020-08-19 04:56:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-08-19 04:56:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 258 transitions. [2020-08-19 04:56:50,818 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 258 transitions. Word has length 125 [2020-08-19 04:56:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:56:50,819 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 258 transitions. [2020-08-19 04:56:50,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 04:56:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2020-08-19 04:56:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-19 04:56:50,823 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:56:50,823 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-08-19 04:56:50,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:56:50,824 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:56:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:56:50,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1286343955, now seen corresponding path program 1 times [2020-08-19 04:56:50,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:56:50,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781851318] [2020-08-19 04:56:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:56:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,012 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 04:56:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:56:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:56:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:56:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:56:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:56:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 04:56:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:56:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-19 04:56:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:56:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-19 04:56:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-19 04:56:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 04:56:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-19 04:56:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:56:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-19 04:56:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-19 04:56:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:56:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-19 04:56:52,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781851318] [2020-08-19 04:56:52,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:56:52,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-19 04:56:52,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342358519] [2020-08-19 04:56:52,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 04:56:52,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:56:52,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 04:56:52,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:56:52,361 INFO L87 Difference]: Start difference. First operand 208 states and 258 transitions. Second operand 13 states. [2020-08-19 04:56:54,067 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 04:56:55,717 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-19 04:56:56,925 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 04:56:58,133 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 04:57:02,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:57:02,684 INFO L93 Difference]: Finished difference Result 509 states and 668 transitions. [2020-08-19 04:57:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 04:57:02,685 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 127 [2020-08-19 04:57:02,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:57:02,690 INFO L225 Difference]: With dead ends: 509 [2020-08-19 04:57:02,691 INFO L226 Difference]: Without dead ends: 346 [2020-08-19 04:57:02,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-08-19 04:57:02,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-08-19 04:57:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 212. [2020-08-19 04:57:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-19 04:57:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 262 transitions. [2020-08-19 04:57:02,795 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 262 transitions. Word has length 127 [2020-08-19 04:57:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:57:02,796 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 262 transitions. [2020-08-19 04:57:02,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 04:57:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 262 transitions. [2020-08-19 04:57:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-19 04:57:02,799 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:57:02,799 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-08-19 04:57:02,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:57:02,800 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:57:02,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:57:02,800 INFO L82 PathProgramCache]: Analyzing trace with hash -919207694, now seen corresponding path program 2 times [2020-08-19 04:57:02,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:57:02,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400165565] [2020-08-19 04:57:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:57:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,019 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 04:57:04,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:57:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:57:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:57:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:57:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 04:57:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:57:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-19 04:57:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-19 04:57:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-19 04:57:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-19 04:57:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-19 04:57:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-19 04:57:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-19 04:57:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-19 04:57:04,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400165565] [2020-08-19 04:57:04,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:57:04,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-19 04:57:04,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339145856] [2020-08-19 04:57:04,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 04:57:04,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:57:04,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 04:57:04,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:57:04,455 INFO L87 Difference]: Start difference. First operand 212 states and 262 transitions. Second operand 13 states. [2020-08-19 04:57:06,629 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 04:57:08,179 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-19 04:57:09,366 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 04:57:10,544 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 04:57:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:57:14,834 INFO L93 Difference]: Finished difference Result 509 states and 667 transitions. [2020-08-19 04:57:14,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 04:57:14,835 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-08-19 04:57:14,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:57:14,839 INFO L225 Difference]: With dead ends: 509 [2020-08-19 04:57:14,839 INFO L226 Difference]: Without dead ends: 348 [2020-08-19 04:57:14,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-08-19 04:57:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-08-19 04:57:14,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 212. [2020-08-19 04:57:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-19 04:57:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2020-08-19 04:57:14,945 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 128 [2020-08-19 04:57:14,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:57:14,946 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2020-08-19 04:57:14,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 04:57:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2020-08-19 04:57:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-19 04:57:14,948 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:57:14,948 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-08-19 04:57:14,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:57:14,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:57:14,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:57:14,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1494009384, now seen corresponding path program 1 times [2020-08-19 04:57:14,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:57:14,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963527540] [2020-08-19 04:57:14,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:57:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,497 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 04:57:16,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:57:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:57:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:57:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:57:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 04:57:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:57:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-19 04:57:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-19 04:57:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-19 04:57:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-19 04:57:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-19 04:57:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-19 04:57:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-19 04:57:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-19 04:57:16,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963527540] [2020-08-19 04:57:16,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:57:16,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:57:16,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068565084] [2020-08-19 04:57:16,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:57:16,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:57:16,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:57:16,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:57:16,757 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand 9 states. [2020-08-19 04:57:19,121 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 04:57:23,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:57:23,189 INFO L93 Difference]: Finished difference Result 463 states and 594 transitions. [2020-08-19 04:57:23,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:57:23,195 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-08-19 04:57:23,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:57:23,199 INFO L225 Difference]: With dead ends: 463 [2020-08-19 04:57:23,199 INFO L226 Difference]: Without dead ends: 347 [2020-08-19 04:57:23,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:57:23,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-08-19 04:57:23,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 214. [2020-08-19 04:57:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-19 04:57:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2020-08-19 04:57:23,300 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 129 [2020-08-19 04:57:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:57:23,300 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2020-08-19 04:57:23,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:57:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2020-08-19 04:57:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-19 04:57:23,302 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:57:23,303 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-08-19 04:57:23,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:57:23,303 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:57:23,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:57:23,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1709287427, now seen corresponding path program 1 times [2020-08-19 04:57:23,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:57:23,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628929306] [2020-08-19 04:57:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:57:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,758 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 04:57:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:57:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:57:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:57:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:57:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 04:57:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:57:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-19 04:57:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-19 04:57:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 04:57:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-19 04:57:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-19 04:57:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-08-19 04:57:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:24,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-19 04:57:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-19 04:57:25,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628929306] [2020-08-19 04:57:25,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:57:25,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 04:57:25,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000669951] [2020-08-19 04:57:25,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:57:25,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:57:25,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:57:25,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:57:25,005 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 10 states. [2020-08-19 04:57:27,116 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 04:57:28,279 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 04:57:32,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:57:32,204 INFO L93 Difference]: Finished difference Result 495 states and 651 transitions. [2020-08-19 04:57:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 04:57:32,205 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-08-19 04:57:32,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:57:32,208 INFO L225 Difference]: With dead ends: 495 [2020-08-19 04:57:32,208 INFO L226 Difference]: Without dead ends: 379 [2020-08-19 04:57:32,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:57:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-08-19 04:57:32,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 241. [2020-08-19 04:57:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-19 04:57:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 313 transitions. [2020-08-19 04:57:32,303 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 313 transitions. Word has length 134 [2020-08-19 04:57:32,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:57:32,303 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 313 transitions. [2020-08-19 04:57:32,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:57:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 313 transitions. [2020-08-19 04:57:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-19 04:57:32,306 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:57:32,306 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-08-19 04:57:32,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 04:57:32,307 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:57:32,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:57:32,307 INFO L82 PathProgramCache]: Analyzing trace with hash 903324488, now seen corresponding path program 2 times [2020-08-19 04:57:32,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:57:32,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525973822] [2020-08-19 04:57:32,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:57:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,471 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 04:57:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:57:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:57:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:57:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:57:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 04:57:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:57:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-19 04:57:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:57:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 04:57:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-19 04:57:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-19 04:57:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-08-19 04:57:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:57:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-19 04:57:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-19 04:57:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:57:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-19 04:57:33,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525973822] [2020-08-19 04:57:33,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:57:33,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 04:57:33,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096123855] [2020-08-19 04:57:33,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:57:33,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:57:33,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:57:33,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:57:33,764 INFO L87 Difference]: Start difference. First operand 241 states and 313 transitions. Second operand 12 states.