/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 22:07:03,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 22:07:03,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 22:07:03,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 22:07:03,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 22:07:03,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 22:07:03,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 22:07:03,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 22:07:03,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 22:07:03,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 22:07:03,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 22:07:03,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 22:07:03,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:07:03,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:07:03,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:07:03,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:07:03,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:07:03,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:07:03,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:07:03,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:07:03,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:07:03,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:07:03,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:07:03,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:07:03,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 22:07:03,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 22:07:03,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 22:07:03,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 22:07:03,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 22:07:03,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 22:07:03,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 22:07:03,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 22:07:03,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 22:07:03,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 22:07:03,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 22:07:03,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 22:07:03,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 22:07:03,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 22:07:03,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:07:03,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:07:03,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:07:03,215 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 [2020-08-21 22:07:03,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:07:03,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:07:03,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:07:03,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:07:03,239 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:07:03,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:07:03,239 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:07:03,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:07:03,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:07:03,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:07:03,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:07:03,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:07:03,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:07:03,240 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:07:03,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:07:03,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:07:03,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:07:03,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:07:03,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:07:03,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:07:03,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:07:03,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:07:03,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:07:03,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:07:03,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:07:03,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:07:03,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:07:03,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:07:03,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:07:03,243 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=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 22:07:03,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:07:03,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:07:03,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:07:03,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:07:03,580 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:07:03,581 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-08-21 22:07:03,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6acd901bd/e5e5f0acfaba42e4a46e91445246f051/FLAG816535845 [2020-08-21 22:07:04,190 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:07:04,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-08-21 22:07:04,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6acd901bd/e5e5f0acfaba42e4a46e91445246f051/FLAG816535845 [2020-08-21 22:07:04,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6acd901bd/e5e5f0acfaba42e4a46e91445246f051 [2020-08-21 22:07:04,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:07:04,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:07:04,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:07:04,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:07:04,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:07:04,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:07:04" (1/1) ... [2020-08-21 22:07:04,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43965ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:04, skipping insertion in model container [2020-08-21 22:07:04,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:07:04" (1/1) ... [2020-08-21 22:07:04,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:07:04,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:07:05,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:07:05,057 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:07:05,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:07:05,175 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:07:05,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05 WrapperNode [2020-08-21 22:07:05,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:07:05,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:07:05,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:07:05,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:07:05,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (1/1) ... [2020-08-21 22:07:05,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:07:05,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:07:05,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:07:05,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:07:05,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (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 [2020-08-21 22:07:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:07:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:07:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 22:07:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 22:07:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 22:07:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 22:07:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 22:07:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 22:07:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 22:07:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-21 22:07:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 22:07:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 22:07:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 22:07:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 22:07:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 22:07:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 22:07:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 22:07:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 22:07:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 22:07:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 22:07:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 22:07:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 22:07:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 22:07:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 22:07:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 22:07:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 22:07:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 22:07:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 22:07:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 22:07:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 22:07:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 22:07:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 22:07:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 22:07:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 22:07:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:07:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 22:07:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 22:07:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 22:07:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 22:07:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 22:07:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 22:07:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 22:07:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 22:07:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 22:07:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 22:07:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 22:07:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:07:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 22:07:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 22:07:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 22:07:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 22:07:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 22:07:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 22:07:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 22:07:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 22:07:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 22:07:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 22:07:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 22:07:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 22:07:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 22:07:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 22:07:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 22:07:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 22:07:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 22:07:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 22:07:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 22:07:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 22:07:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 22:07:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 22:07:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 22:07:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 22:07:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 22:07:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 22:07:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 22:07:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 22:07:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 22:07:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 22:07:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 22:07:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 22:07:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:07:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 22:07:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 22:07:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 22:07:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 22:07:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 22:07:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 22:07:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 22:07:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 22:07:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 22:07:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 22:07:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 22:07:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:07:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 22:07:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:07:06,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:07:06,659 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 22:07:06,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:07:06 BoogieIcfgContainer [2020-08-21 22:07:06,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:07:06,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:07:06,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:07:06,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:07:06,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:07:04" (1/3) ... [2020-08-21 22:07:06,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8c8918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:07:06, skipping insertion in model container [2020-08-21 22:07:06,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:07:05" (2/3) ... [2020-08-21 22:07:06,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8c8918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:07:06, skipping insertion in model container [2020-08-21 22:07:06,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:07:06" (3/3) ... [2020-08-21 22:07:06,673 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-08-21 22:07:06,683 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:07:06,691 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 22:07:06,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 22:07:06,729 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 22:07:06,729 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 22:07:06,729 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 22:07:06,729 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 22:07:06,730 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 22:07:06,730 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 22:07:06,730 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 22:07:06,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 22:07:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-08-21 22:07:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 22:07:06,766 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:06,768 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 22:07:06,768 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:06,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:06,775 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-08-21 22:07:06,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:06,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786079942] [2020-08-21 22:07:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,539 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:07,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:07:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 22:07:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 22:07:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:07,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786079942] [2020-08-21 22:07:07,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:07,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 22:07:07,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79396383] [2020-08-21 22:07:07,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 22:07:07,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:07,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 22:07:07,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:07:07,779 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-08-21 22:07:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:09,156 INFO L93 Difference]: Finished difference Result 382 states and 489 transitions. [2020-08-21 22:07:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 22:07:09,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 22:07:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:09,173 INFO L225 Difference]: With dead ends: 382 [2020-08-21 22:07:09,174 INFO L226 Difference]: Without dead ends: 210 [2020-08-21 22:07:09,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:07:09,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-08-21 22:07:09,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 173. [2020-08-21 22:07:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-08-21 22:07:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-08-21 22:07:09,277 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-08-21 22:07:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:09,278 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-08-21 22:07:09,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 22:07:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-08-21 22:07:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 22:07:09,282 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:09,282 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 22:07:09,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 22:07:09,283 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:09,284 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-08-21 22:07:09,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:09,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319004907] [2020-08-21 22:07:09,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,607 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 22:07:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 22:07:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 22:07:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:09,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319004907] [2020-08-21 22:07:09,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:09,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 22:07:09,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268193529] [2020-08-21 22:07:09,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 22:07:09,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:09,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 22:07:09,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 22:07:09,676 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 5 states. [2020-08-21 22:07:10,153 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:11,381 INFO L93 Difference]: Finished difference Result 317 states and 389 transitions. [2020-08-21 22:07:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:07:11,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-21 22:07:11,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:11,386 INFO L225 Difference]: With dead ends: 317 [2020-08-21 22:07:11,386 INFO L226 Difference]: Without dead ends: 200 [2020-08-21 22:07:11,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:07:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-08-21 22:07:11,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-08-21 22:07:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-08-21 22:07:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-08-21 22:07:11,437 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-08-21 22:07:11,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:11,437 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-08-21 22:07:11,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 22:07:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-08-21 22:07:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 22:07:11,441 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:11,441 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:11,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 22:07:11,442 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:11,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-08-21 22:07:11,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:11,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835054085] [2020-08-21 22:07:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,801 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 22:07:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 22:07:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 22:07:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:11,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835054085] [2020-08-21 22:07:11,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:11,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:07:11,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805189770] [2020-08-21 22:07:11,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:07:11,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:11,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:07:11,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:07:11,943 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 9 states. [2020-08-21 22:07:12,337 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:12,648 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:12,883 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:13,127 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:14,009 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:16,430 INFO L93 Difference]: Finished difference Result 549 states and 680 transitions. [2020-08-21 22:07:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 22:07:16,431 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-21 22:07:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:16,437 INFO L225 Difference]: With dead ends: 549 [2020-08-21 22:07:16,437 INFO L226 Difference]: Without dead ends: 413 [2020-08-21 22:07:16,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 22:07:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-08-21 22:07:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 344. [2020-08-21 22:07:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-08-21 22:07:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 418 transitions. [2020-08-21 22:07:16,517 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 418 transitions. Word has length 65 [2020-08-21 22:07:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:16,517 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 418 transitions. [2020-08-21 22:07:16,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:07:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 418 transitions. [2020-08-21 22:07:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-21 22:07:16,520 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:16,520 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:16,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 22:07:16,521 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:16,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:16,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-08-21 22:07:16,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:16,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361064839] [2020-08-21 22:07:16,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,839 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:16,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:07:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 22:07:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 22:07:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-21 22:07:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 22:07:16,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361064839] [2020-08-21 22:07:16,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:16,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:07:16,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812010456] [2020-08-21 22:07:16,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:07:16,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:16,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:07:16,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:07:16,961 INFO L87 Difference]: Start difference. First operand 344 states and 418 transitions. Second operand 9 states. [2020-08-21 22:07:17,363 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:18,071 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:19,197 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:19,440 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:19,748 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:20,029 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:21,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:21,064 INFO L93 Difference]: Finished difference Result 891 states and 1152 transitions. [2020-08-21 22:07:21,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 22:07:21,065 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-21 22:07:21,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:21,071 INFO L225 Difference]: With dead ends: 891 [2020-08-21 22:07:21,072 INFO L226 Difference]: Without dead ends: 575 [2020-08-21 22:07:21,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-08-21 22:07:21,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-08-21 22:07:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 507. [2020-08-21 22:07:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-08-21 22:07:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 605 transitions. [2020-08-21 22:07:21,171 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 605 transitions. Word has length 70 [2020-08-21 22:07:21,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:21,172 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 605 transitions. [2020-08-21 22:07:21,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:07:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 605 transitions. [2020-08-21 22:07:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-21 22:07:21,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:21,175 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:21,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 22:07:21,176 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:21,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:21,176 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-08-21 22:07:21,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:21,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567713089] [2020-08-21 22:07:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,420 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:21,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 22:07:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 22:07:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-21 22:07:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 22:07:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:21,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567713089] [2020-08-21 22:07:21,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:21,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:07:21,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301904717] [2020-08-21 22:07:21,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:07:21,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:21,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:07:21,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:07:21,595 INFO L87 Difference]: Start difference. First operand 507 states and 605 transitions. Second operand 9 states. [2020-08-21 22:07:22,829 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:23,069 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 22:07:23,320 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:23,569 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:24,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:24,566 INFO L93 Difference]: Finished difference Result 1079 states and 1378 transitions. [2020-08-21 22:07:24,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 22:07:24,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-08-21 22:07:24,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:24,571 INFO L225 Difference]: With dead ends: 1079 [2020-08-21 22:07:24,572 INFO L226 Difference]: Without dead ends: 600 [2020-08-21 22:07:24,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-21 22:07:24,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-08-21 22:07:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 520. [2020-08-21 22:07:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-08-21 22:07:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2020-08-21 22:07:24,666 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 113 [2020-08-21 22:07:24,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:24,667 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2020-08-21 22:07:24,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:07:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2020-08-21 22:07:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-21 22:07:24,669 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:24,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:24,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 22:07:24,678 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:24,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:24,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-08-21 22:07:24,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:24,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786429794] [2020-08-21 22:07:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:24,985 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:24,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 22:07:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 22:07:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-21 22:07:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 22:07:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:25,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786429794] [2020-08-21 22:07:25,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:25,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 22:07:25,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718340196] [2020-08-21 22:07:25,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 22:07:25,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:25,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 22:07:25,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:07:25,184 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 11 states. [2020-08-21 22:07:25,736 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:25,988 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:26,204 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:27,072 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:27,371 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:27,629 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:28,797 INFO L93 Difference]: Finished difference Result 1102 states and 1402 transitions. [2020-08-21 22:07:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 22:07:28,798 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-08-21 22:07:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:28,803 INFO L225 Difference]: With dead ends: 1102 [2020-08-21 22:07:28,803 INFO L226 Difference]: Without dead ends: 610 [2020-08-21 22:07:28,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-21 22:07:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-08-21 22:07:28,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 528. [2020-08-21 22:07:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-08-21 22:07:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 627 transitions. [2020-08-21 22:07:28,896 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 627 transitions. Word has length 113 [2020-08-21 22:07:28,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:28,896 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 627 transitions. [2020-08-21 22:07:28,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 22:07:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 627 transitions. [2020-08-21 22:07:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-21 22:07:28,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:28,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:28,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 22:07:28,899 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:28,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:28,900 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-08-21 22:07:28,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:28,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109826836] [2020-08-21 22:07:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,185 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 22:07:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 22:07:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-21 22:07:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 22:07:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:29,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109826836] [2020-08-21 22:07:29,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:29,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 22:07:29,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596028601] [2020-08-21 22:07:29,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:07:29,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:29,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:07:29,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:07:29,405 INFO L87 Difference]: Start difference. First operand 528 states and 627 transitions. Second operand 7 states. [2020-08-21 22:07:30,201 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:30,725 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:33,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:33,400 INFO L93 Difference]: Finished difference Result 1603 states and 2056 transitions. [2020-08-21 22:07:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 22:07:33,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-08-21 22:07:33,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:33,409 INFO L225 Difference]: With dead ends: 1603 [2020-08-21 22:07:33,410 INFO L226 Difference]: Without dead ends: 1103 [2020-08-21 22:07:33,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-21 22:07:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2020-08-21 22:07:33,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1025. [2020-08-21 22:07:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-08-21 22:07:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1239 transitions. [2020-08-21 22:07:33,649 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1239 transitions. Word has length 113 [2020-08-21 22:07:33,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:33,650 INFO L479 AbstractCegarLoop]: Abstraction has 1025 states and 1239 transitions. [2020-08-21 22:07:33,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:07:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1239 transitions. [2020-08-21 22:07:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-08-21 22:07:33,657 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:33,657 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 22:07:33,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 22:07:33,658 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:33,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:33,659 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-08-21 22:07:33,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:33,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58038954] [2020-08-21 22:07:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,021 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:34,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:07:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 22:07:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 22:07:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-21 22:07:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-21 22:07:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:07:34,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58038954] [2020-08-21 22:07:34,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:07:34,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 22:07:34,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32106512] [2020-08-21 22:07:34,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 22:07:34,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:34,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 22:07:34,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 22:07:34,206 INFO L87 Difference]: Start difference. First operand 1025 states and 1239 transitions. Second operand 12 states. [2020-08-21 22:07:34,730 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:35,385 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:36,206 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:36,533 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:36,793 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:37,098 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:37,384 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:39,682 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:40,008 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:40,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:40,819 INFO L93 Difference]: Finished difference Result 2915 states and 3744 transitions. [2020-08-21 22:07:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-08-21 22:07:40,820 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-08-21 22:07:40,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:40,832 INFO L225 Difference]: With dead ends: 2915 [2020-08-21 22:07:40,833 INFO L226 Difference]: Without dead ends: 2120 [2020-08-21 22:07:40,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-08-21 22:07:40,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-08-21 22:07:41,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1808. [2020-08-21 22:07:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1808 states. [2020-08-21 22:07:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2166 transitions. [2020-08-21 22:07:41,185 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2166 transitions. Word has length 117 [2020-08-21 22:07:41,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:41,188 INFO L479 AbstractCegarLoop]: Abstraction has 1808 states and 2166 transitions. [2020-08-21 22:07:41,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 22:07:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2166 transitions. [2020-08-21 22:07:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-21 22:07:41,194 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:41,195 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:41,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 22:07:41,196 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:41,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-08-21 22:07:41,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:41,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803155167] [2020-08-21 22:07:41,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,649 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:41,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:07:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 22:07:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:07:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 22:07:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-21 22:07:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:41,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-21 22:07:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-21 22:07:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-21 22:07:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-21 22:07:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-21 22:07:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-21 22:07:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-08-21 22:07:42,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803155167] [2020-08-21 22:07:42,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:07:42,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 22:07:42,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744612955] [2020-08-21 22:07:42,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 22:07:42,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:42,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 22:07:42,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-21 22:07:42,202 INFO L87 Difference]: Start difference. First operand 1808 states and 2166 transitions. Second operand 16 states. [2020-08-21 22:07:43,178 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:43,567 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 22:07:43,843 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 22:07:44,090 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 22:07:44,809 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:45,131 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:45,500 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 22:07:45,804 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 22:07:47,373 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:48,016 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:48,315 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:07:48,647 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:49,209 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:49,615 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:50,408 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:50,693 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 22:07:51,326 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 22:07:52,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:07:52,196 INFO L93 Difference]: Finished difference Result 3877 states and 4776 transitions. [2020-08-21 22:07:52,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-08-21 22:07:52,197 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 195 [2020-08-21 22:07:52,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:07:52,211 INFO L225 Difference]: With dead ends: 3877 [2020-08-21 22:07:52,211 INFO L226 Difference]: Without dead ends: 2287 [2020-08-21 22:07:52,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=589, Invalid=2167, Unknown=0, NotChecked=0, Total=2756 [2020-08-21 22:07:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2020-08-21 22:07:52,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2095. [2020-08-21 22:07:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2095 states. [2020-08-21 22:07:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2456 transitions. [2020-08-21 22:07:52,768 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2456 transitions. Word has length 195 [2020-08-21 22:07:52,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:07:52,769 INFO L479 AbstractCegarLoop]: Abstraction has 2095 states and 2456 transitions. [2020-08-21 22:07:52,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 22:07:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2456 transitions. [2020-08-21 22:07:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-08-21 22:07:52,786 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:07:52,787 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:07:52,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 22:07:52,788 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:07:52,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:07:52,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1212078623, now seen corresponding path program 1 times [2020-08-21 22:07:52,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:07:52,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558368713] [2020-08-21 22:07:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:07:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,154 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:07:53,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:07:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:07:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:07:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:07:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 22:07:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:07:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 22:07:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-21 22:07:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-21 22:07:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-21 22:07:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-21 22:07:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 22:07:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-21 22:07:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:07:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-21 22:07:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-21 22:07:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 22:07:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-21 22:07:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-08-21 22:07:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:07:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-08-21 22:07:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-08-21 22:07:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:07:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-08-21 22:07:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:07:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:07:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:07:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:07:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-08-21 22:07:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-08-21 22:07:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:07:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 109 proven. 48 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-08-21 22:07:53,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558368713] [2020-08-21 22:07:53,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:07:53,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-21 22:07:53,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807656395] [2020-08-21 22:07:53,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-21 22:07:53,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:07:53,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-21 22:07:53,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2020-08-21 22:07:53,884 INFO L87 Difference]: Start difference. First operand 2095 states and 2456 transitions. Second operand 17 states. [2020-08-21 22:07:55,511 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:07:55,793 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:56,055 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:07:56,309 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:07:57,392 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 22:08:00,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:08:00,644 INFO L93 Difference]: Finished difference Result 6070 states and 7635 transitions. [2020-08-21 22:08:00,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-21 22:08:00,645 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 371 [2020-08-21 22:08:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:08:00,670 INFO L225 Difference]: With dead ends: 6070 [2020-08-21 22:08:00,670 INFO L226 Difference]: Without dead ends: 3630 [2020-08-21 22:08:00,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 137 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=433, Invalid=1547, Unknown=0, NotChecked=0, Total=1980 [2020-08-21 22:08:00,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2020-08-21 22:08:01,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 2854. [2020-08-21 22:08:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2854 states. [2020-08-21 22:08:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3425 transitions. [2020-08-21 22:08:01,311 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3425 transitions. Word has length 371 [2020-08-21 22:08:01,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:08:01,312 INFO L479 AbstractCegarLoop]: Abstraction has 2854 states and 3425 transitions. [2020-08-21 22:08:01,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-21 22:08:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3425 transitions. [2020-08-21 22:08:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-08-21 22:08:01,327 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:08:01,327 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:08:01,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 22:08:01,328 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:08:01,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:08:01,328 INFO L82 PathProgramCache]: Analyzing trace with hash 353451792, now seen corresponding path program 1 times [2020-08-21 22:08:01,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:08:01,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164864958] [2020-08-21 22:08:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:08:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,692 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:08:01,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:08:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:08:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:08:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:08:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:08:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:08:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 22:08:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:08:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 22:08:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:08:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 22:08:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-21 22:08:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:08:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-21 22:08:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-21 22:08:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-21 22:08:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:01,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 22:08:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 22:08:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-21 22:08:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:08:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:08:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-21 22:08:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:08:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-21 22:08:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 22:08:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 22:08:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-08-21 22:08:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:08:02,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0