/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:06:50,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:06:50,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:06:50,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:06:50,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:06:50,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:06:50,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:06:50,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:06:50,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:06:50,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:06:50,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:06:50,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:06:50,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:06:50,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:06:50,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:06:50,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:06:50,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:06:50,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:06:50,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:06:50,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:06:50,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:06:50,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:06:50,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:06:50,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:06:50,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:06:50,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:06:50,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:06:50,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:06:50,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:06:50,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:06:50,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:06:50,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:06:50,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:06:50,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:06:50,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:06:50,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:06:50,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:06:50,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:06:50,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:06:50,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:06:50,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:06:50,433 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 [2020-08-18 16:06:50,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:06:50,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:06:50,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:06:50,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:06:50,475 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:06:50,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:06:50,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:06:50,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:06:50,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:06:50,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:06:50,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:06:50,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:06:50,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:06:50,477 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:06:50,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:06:50,477 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:06:50,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:06:50,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:06:50,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:06:50,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:06:50,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:06:50,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:06:50,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:06:50,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:06:50,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:06:50,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:06:50,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:06:50,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:06:50,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:06:50,480 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 [2020-08-18 16:06:50,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:06:50,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:06:50,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:06:50,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:06:50,786 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:06:50,787 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-18 16:06:50,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0d522e29/3f1e7f9069214692b996ab763fdc5ea4/FLAG7485494f2 [2020-08-18 16:06:51,322 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:06:51,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-18 16:06:51,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0d522e29/3f1e7f9069214692b996ab763fdc5ea4/FLAG7485494f2 [2020-08-18 16:06:51,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0d522e29/3f1e7f9069214692b996ab763fdc5ea4 [2020-08-18 16:06:51,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:06:51,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:06:51,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:06:51,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:06:51,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:06:51,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:06:51" (1/1) ... [2020-08-18 16:06:51,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df3c5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:51, skipping insertion in model container [2020-08-18 16:06:51,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:06:51" (1/1) ... [2020-08-18 16:06:51,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:06:51,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:06:52,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:06:52,271 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:06:52,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:06:52,373 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:06:52,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52 WrapperNode [2020-08-18 16:06:52,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:06:52,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:06:52,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:06:52,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:06:52,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (1/1) ... [2020-08-18 16:06:52,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:06:52,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:06:52,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:06:52,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:06:52,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (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 [2020-08-18 16:06:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:06:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:06:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:06:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:06:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:06:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:06:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:06:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:06:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:06:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:06:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 16:06:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:06:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:06:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:06:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:06:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:06:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:06:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-18 16:06:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 16:06:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:06:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:06:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:06:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:06:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:06:52,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:06:52,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-18 16:06:52,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:06:52,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:06:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:06:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:06:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:06:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:06:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:06:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-18 16:06:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:06:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:06:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:06:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:06:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:06:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:06:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:06:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:06:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:06:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:06:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:06:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:06:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:06:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:06:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:06:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:06:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:06:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:06:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-18 16:06:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-18 16:06:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:06:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:06:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:06:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:06:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:06:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:06:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:06:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:06:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:06:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:06:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:06:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:06:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:06:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:06:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:06:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:06:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:06:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:06:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:06:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:06:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:06:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:06:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:06:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:06:53,605 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:06:53,605 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:06:53,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:06:53 BoogieIcfgContainer [2020-08-18 16:06:53,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:06:53,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:06:53,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:06:53,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:06:53,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:06:51" (1/3) ... [2020-08-18 16:06:53,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0303b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:06:53, skipping insertion in model container [2020-08-18 16:06:53,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:06:52" (2/3) ... [2020-08-18 16:06:53,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0303b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:06:53, skipping insertion in model container [2020-08-18 16:06:53,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:06:53" (3/3) ... [2020-08-18 16:06:53,624 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-08-18 16:06:53,635 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:06:53,644 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:06:53,656 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:06:53,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:06:53,676 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:06:53,676 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:06:53,676 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:06:53,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:06:53,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:06:53,677 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:06:53,677 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:06:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-18 16:06:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 16:06:53,709 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:06:53,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:06:53,710 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:06:53,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:06:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-08-18 16:06:53,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:06:53,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965505033] [2020-08-18 16:06:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:06:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,377 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:06:54,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:06:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:06:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:06:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:06:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:06:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:06:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:06:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:06:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:06:54,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965505033] [2020-08-18 16:06:54,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:06:54,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:06:54,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313638768] [2020-08-18 16:06:54,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:06:54,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:06:54,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:06:54,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:06:54,494 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-08-18 16:06:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:06:55,480 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-08-18 16:06:55,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:06:55,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-18 16:06:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:06:55,495 INFO L225 Difference]: With dead ends: 270 [2020-08-18 16:06:55,496 INFO L226 Difference]: Without dead ends: 146 [2020-08-18 16:06:55,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:06:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-08-18 16:06:55,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-08-18 16:06:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-18 16:06:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-08-18 16:06:55,585 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-08-18 16:06:55,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:06:55,585 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-08-18 16:06:55,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:06:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-08-18 16:06:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-18 16:06:55,589 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:06:55,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:06:55,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:06:55,590 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:06:55,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:06:55,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-08-18 16:06:55,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:06:55,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550111626] [2020-08-18 16:06:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:06:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,942 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:06:55,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:06:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:06:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:06:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:06:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:06:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:06:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:06:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 16:06:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:06:55,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550111626] [2020-08-18 16:06:55,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:06:55,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:06:55,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925100882] [2020-08-18 16:06:55,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:06:55,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:06:55,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:06:55,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:06:55,990 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-08-18 16:06:56,405 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:06:57,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:06:57,064 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-08-18 16:06:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:06:57,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-18 16:06:57,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:06:57,068 INFO L225 Difference]: With dead ends: 199 [2020-08-18 16:06:57,068 INFO L226 Difference]: Without dead ends: 130 [2020-08-18 16:06:57,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:06:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-18 16:06:57,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-18 16:06:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 16:06:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-18 16:06:57,101 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-08-18 16:06:57,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:06:57,102 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-18 16:06:57,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:06:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-18 16:06:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 16:06:57,104 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:06:57,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:06:57,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:06:57,105 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:06:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:06:57,105 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-08-18 16:06:57,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:06:57,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951413383] [2020-08-18 16:06:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:06:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,443 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:06:57,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:06:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:06:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:06:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:06:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:06:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:06:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:06:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 16:06:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:06:57,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951413383] [2020-08-18 16:06:57,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:06:57,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:06:57,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949627968] [2020-08-18 16:06:57,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:06:57,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:06:57,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:06:57,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:06:57,540 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-08-18 16:06:57,896 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:06:58,197 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:06:58,428 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:06:58,646 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:06:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:06:59,573 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-08-18 16:06:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 16:06:59,575 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-18 16:06:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:06:59,578 INFO L225 Difference]: With dead ends: 212 [2020-08-18 16:06:59,578 INFO L226 Difference]: Without dead ends: 130 [2020-08-18 16:06:59,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:06:59,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-18 16:06:59,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-18 16:06:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 16:06:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-08-18 16:06:59,609 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-08-18 16:06:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:06:59,609 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-08-18 16:06:59,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:06:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-08-18 16:06:59,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 16:06:59,611 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:06:59,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:06:59,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:06:59,612 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:06:59,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:06:59,612 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-08-18 16:06:59,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:06:59,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423060881] [2020-08-18 16:06:59,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:06:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,862 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:06:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:06:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:06:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:06:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:06:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:06:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 16:06:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:06:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 16:06:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 16:06:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-18 16:06:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:06:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:06:59,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423060881] [2020-08-18 16:06:59,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:06:59,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 16:06:59,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538367937] [2020-08-18 16:06:59,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 16:06:59,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:06:59,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 16:06:59,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 16:06:59,985 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states. [2020-08-18 16:07:00,322 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:01,417 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:01,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:01,897 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions. [2020-08-18 16:07:01,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 16:07:01,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-08-18 16:07:01,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:01,900 INFO L225 Difference]: With dead ends: 312 [2020-08-18 16:07:01,901 INFO L226 Difference]: Without dead ends: 230 [2020-08-18 16:07:01,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-18 16:07:01,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-18 16:07:01,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 187. [2020-08-18 16:07:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-18 16:07:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-08-18 16:07:01,950 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2020-08-18 16:07:01,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:01,950 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-08-18 16:07:01,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 16:07:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-08-18 16:07:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-08-18 16:07:01,952 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:01,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:01,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:07:01,953 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:01,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:01,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-08-18 16:07:01,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:01,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083811829] [2020-08-18 16:07:01,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,283 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:02,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 16:07:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:07:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:07:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 16:07:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-18 16:07:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-18 16:07:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-18 16:07:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:02,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083811829] [2020-08-18 16:07:02,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:02,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:07:02,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552573881] [2020-08-18 16:07:02,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:07:02,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:02,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:07:02,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:07:02,391 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 8 states. [2020-08-18 16:07:02,760 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:03,863 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:07:04,136 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:07:04,384 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:07:04,610 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:05,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:05,214 INFO L93 Difference]: Finished difference Result 513 states and 644 transitions. [2020-08-18 16:07:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 16:07:05,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-08-18 16:07:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:05,219 INFO L225 Difference]: With dead ends: 513 [2020-08-18 16:07:05,219 INFO L226 Difference]: Without dead ends: 350 [2020-08-18 16:07:05,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-18 16:07:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-08-18 16:07:05,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 307. [2020-08-18 16:07:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-08-18 16:07:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 357 transitions. [2020-08-18 16:07:05,290 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 357 transitions. Word has length 80 [2020-08-18 16:07:05,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:05,291 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 357 transitions. [2020-08-18 16:07:05,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:07:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 357 transitions. [2020-08-18 16:07:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 16:07:05,293 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:05,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:05,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:07:05,294 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:05,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:05,294 INFO L82 PathProgramCache]: Analyzing trace with hash 452882261, now seen corresponding path program 1 times [2020-08-18 16:07:05,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:05,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569813880] [2020-08-18 16:07:05,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,574 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 16:07:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:07:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:07:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:07:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 16:07:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 16:07:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 16:07:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 16:07:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:05,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569813880] [2020-08-18 16:07:05,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:05,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 16:07:05,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524145794] [2020-08-18 16:07:05,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 16:07:05,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:05,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 16:07:05,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:07:05,744 INFO L87 Difference]: Start difference. First operand 307 states and 357 transitions. Second operand 9 states. [2020-08-18 16:07:06,117 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:06,641 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:08,021 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:09,224 INFO L93 Difference]: Finished difference Result 759 states and 975 transitions. [2020-08-18 16:07:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 16:07:09,225 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-08-18 16:07:09,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:09,231 INFO L225 Difference]: With dead ends: 759 [2020-08-18 16:07:09,232 INFO L226 Difference]: Without dead ends: 585 [2020-08-18 16:07:09,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-08-18 16:07:09,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-08-18 16:07:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 514. [2020-08-18 16:07:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-18 16:07:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-08-18 16:07:09,361 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 84 [2020-08-18 16:07:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:09,362 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-08-18 16:07:09,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 16:07:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-08-18 16:07:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 16:07:09,364 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:09,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:09,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 16:07:09,365 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:09,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:09,365 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-08-18 16:07:09,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:09,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831470529] [2020-08-18 16:07:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,614 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:09,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 16:07:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:07:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:07:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:07:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 16:07:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 16:07:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 16:07:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 16:07:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:09,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831470529] [2020-08-18 16:07:09,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:09,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:07:09,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262577752] [2020-08-18 16:07:09,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:07:09,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:09,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:07:09,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:07:09,742 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 8 states. [2020-08-18 16:07:10,758 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:10,968 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:11,223 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:12,001 INFO L93 Difference]: Finished difference Result 936 states and 1169 transitions. [2020-08-18 16:07:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 16:07:12,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-08-18 16:07:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:12,009 INFO L225 Difference]: With dead ends: 936 [2020-08-18 16:07:12,009 INFO L226 Difference]: Without dead ends: 559 [2020-08-18 16:07:12,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:07:12,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-08-18 16:07:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 514. [2020-08-18 16:07:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-18 16:07:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 617 transitions. [2020-08-18 16:07:12,100 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 617 transitions. Word has length 84 [2020-08-18 16:07:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:12,101 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 617 transitions. [2020-08-18 16:07:12,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:07:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 617 transitions. [2020-08-18 16:07:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 16:07:12,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:12,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:12,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 16:07:12,103 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:12,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:12,103 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-08-18 16:07:12,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:12,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473803518] [2020-08-18 16:07:12,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,359 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 16:07:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:07:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:07:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:07:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 16:07:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 16:07:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 16:07:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 16:07:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:12,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473803518] [2020-08-18 16:07:12,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:12,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 16:07:12,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241129555] [2020-08-18 16:07:12,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 16:07:12,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:12,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 16:07:12,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:07:12,487 INFO L87 Difference]: Start difference. First operand 514 states and 617 transitions. Second operand 12 states. [2020-08-18 16:07:13,113 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:13,337 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:13,551 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:14,191 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:14,422 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:07:14,700 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:14,918 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:15,788 INFO L93 Difference]: Finished difference Result 1017 states and 1263 transitions. [2020-08-18 16:07:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 16:07:15,790 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-08-18 16:07:15,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:15,795 INFO L225 Difference]: With dead ends: 1017 [2020-08-18 16:07:15,796 INFO L226 Difference]: Without dead ends: 527 [2020-08-18 16:07:15,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-08-18 16:07:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-08-18 16:07:15,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 487. [2020-08-18 16:07:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-08-18 16:07:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 582 transitions. [2020-08-18 16:07:15,910 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 582 transitions. Word has length 84 [2020-08-18 16:07:15,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:15,910 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 582 transitions. [2020-08-18 16:07:15,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 16:07:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 582 transitions. [2020-08-18 16:07:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-08-18 16:07:15,912 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:15,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:15,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 16:07:15,913 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:15,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:15,913 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2020-08-18 16:07:15,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:15,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507559441] [2020-08-18 16:07:15,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,228 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 16:07:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:07:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:07:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:07:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 16:07:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 16:07:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 16:07:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 16:07:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:16,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507559441] [2020-08-18 16:07:16,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:16,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-18 16:07:16,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313283086] [2020-08-18 16:07:16,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 16:07:16,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:16,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 16:07:16,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:07:16,450 INFO L87 Difference]: Start difference. First operand 487 states and 582 transitions. Second operand 13 states. [2020-08-18 16:07:17,294 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:17,492 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:17,688 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:07:18,540 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:07:19,167 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:07:19,471 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:07:19,731 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:07:20,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:20,236 INFO L93 Difference]: Finished difference Result 837 states and 1009 transitions. [2020-08-18 16:07:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 16:07:20,237 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2020-08-18 16:07:20,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:20,237 INFO L225 Difference]: With dead ends: 837 [2020-08-18 16:07:20,237 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:07:20,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-08-18 16:07:20,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:07:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:07:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:07:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:07:20,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-08-18 16:07:20,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:20,240 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:07:20,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 16:07:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:07:20,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:07:20,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 16:07:20,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:07:21,471 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 16:07:22,622 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 16:07:23,198 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 16:07:23,466 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-18 16:07:23,573 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-18 16:07:24,187 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 16:07:24,348 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 16:07:24,522 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 16:07:24,676 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:07:24,834 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-08-18 16:07:25,409 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-18 16:07:25,562 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 16:07:25,844 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 16:07:26,191 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 16:07:26,398 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-08-18 16:07:26,834 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-08-18 16:07:27,431 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 16:07:27,589 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:07:27,780 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:27,947 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:07:28,106 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 16:07:28,721 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-08-18 16:07:28,883 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 16:07:29,076 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-08-18 16:07:29,673 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-08-18 16:07:29,838 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 16:07:30,295 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-18 16:07:30,573 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 16:07:31,019 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-08-18 16:07:31,499 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-08-18 16:07:31,657 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:07:31,979 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-08-18 16:07:32,135 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:07:32,296 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 16:07:32,768 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 16:07:32,922 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 16:07:33,077 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:07:33,355 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 16:07:33,523 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 16:07:33,725 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-18 16:07:33,889 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-18 16:07:34,241 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-18 16:07:34,456 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-18 16:07:34,666 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-18 16:07:34,671 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-08-18 16:07:34,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-08-18 16:07:34,671 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-08-18 16:07:34,671 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-08-18 16:07:34,671 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 16:07:34,671 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-08-18 16:07:34,672 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-08-18 16:07:34,673 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-08-18 16:07:34,673 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 16:07:34,673 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-08-18 16:07:34,673 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-08-18 16:07:34,673 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-08-18 16:07:34,673 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-08-18 16:07:34,673 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-08-18 16:07:34,673 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:07:34,674 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:07:34,674 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-08-18 16:07:34,674 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-08-18 16:07:34,674 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:07:34,674 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:07:34,674 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-08-18 16:07:34,675 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-08-18 16:07:34,675 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 16:07:34,675 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:07:34,675 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:07:34,675 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-08-18 16:07:34,675 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-08-18 16:07:34,676 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-18 16:07:34,677 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-08-18 16:07:34,678 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-08-18 16:07:34,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-08-18 16:07:34,680 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-08-18 16:07:34,681 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-08-18 16:07:34,682 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-08-18 16:07:34,682 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-08-18 16:07:34,682 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-08-18 16:07:34,682 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-08-18 16:07:34,682 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-08-18 16:07:34,682 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-08-18 16:07:34,682 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-08-18 16:07:34,683 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:07:34,683 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-08-18 16:07:34,683 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-08-18 16:07:34,683 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (and .cse0 (<= 1 processEnvironment_~tmp~2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:07:34,683 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-08-18 16:07:34,684 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-08-18 16:07:34,684 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-08-18 16:07:34,684 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-08-18 16:07:34,684 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-08-18 16:07:34,684 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-08-18 16:07:34,684 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:07:34,684 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-08-18 16:07:34,685 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 16:07:34,685 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-08-18 16:07:34,685 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 16:07:34,685 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-08-18 16:07:34,685 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-08-18 16:07:34,685 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 16:07:34,686 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-18 16:07:34,686 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-18 16:07:34,686 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 16:07:34,686 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 16:07:34,686 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-18 16:07:34,686 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-08-18 16:07:34,686 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-08-18 16:07:34,686 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-08-18 16:07:34,687 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-08-18 16:07:34,688 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-08-18 16:07:34,689 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-18 16:07:34,690 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-08-18 16:07:34,690 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-08-18 16:07:34,690 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-08-18 16:07:34,690 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-08-18 16:07:34,690 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,690 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:07:34,691 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,691 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-08-18 16:07:34,691 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-08-18 16:07:34,691 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:07:34,691 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-08-18 16:07:34,691 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-08-18 16:07:34,691 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-08-18 16:07:34,691 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-08-18 16:07:34,692 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-08-18 16:07:34,692 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-08-18 16:07:34,692 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-08-18 16:07:34,692 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-08-18 16:07:34,692 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-18 16:07:34,692 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-18 16:07:34,692 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 16:07:34,692 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-18 16:07:34,693 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-18 16:07:34,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,693 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 16:07:34,693 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 .cse1) (or (<= ~waterLevel~0 1) .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-08-18 16:07:34,693 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-08-18 16:07:34,694 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3) (or (<= ~waterLevel~0 1) .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 .cse4)))) [2020-08-18 16:07:34,694 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-08-18 16:07:34,694 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 16:07:34,694 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-08-18 16:07:34,694 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-08-18 16:07:34,694 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-08-18 16:07:34,694 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-08-18 16:07:34,695 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-08-18 16:07:34,695 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 16:07:34,695 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-08-18 16:07:34,695 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-08-18 16:07:34,695 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-08-18 16:07:34,695 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-08-18 16:07:34,695 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-18 16:07:34,695 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-08-18 16:07:34,695 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-18 16:07:34,696 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-08-18 16:07:34,696 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-08-18 16:07:34,697 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-08-18 16:07:34,697 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-08-18 16:07:34,697 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-08-18 16:07:34,697 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-08-18 16:07:34,697 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-08-18 16:07:34,697 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-08-18 16:07:34,697 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-08-18 16:07:34,697 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-18 16:07:34,697 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-18 16:07:34,698 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-08-18 16:07:34,698 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-08-18 16:07:34,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,698 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 16:07:34,698 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:07:34,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:07:34,698 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-08-18 16:07:34,699 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-08-18 16:07:34,699 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-08-18 16:07:34,699 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-08-18 16:07:34,699 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-08-18 16:07:34,699 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-18 16:07:34,699 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-08-18 16:07:34,699 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-08-18 16:07:34,699 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-08-18 16:07:34,700 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-08-18 16:07:34,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:07:34 BoogieIcfgContainer [2020-08-18 16:07:34,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:07:34,718 INFO L168 Benchmark]: Toolchain (without parser) took 43042.71 ms. Allocated memory was 143.1 MB in the beginning and 724.6 MB in the end (delta: 581.4 MB). Free memory was 104.0 MB in the beginning and 319.6 MB in the end (delta: -215.6 MB). Peak memory consumption was 577.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:07:34,718 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 16:07:34,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.78 ms. Allocated memory was 143.1 MB in the beginning and 205.0 MB in the end (delta: 61.9 MB). Free memory was 103.8 MB in the beginning and 173.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-08-18 16:07:34,720 INFO L168 Benchmark]: Boogie Preprocessor took 83.18 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:07:34,720 INFO L168 Benchmark]: RCFGBuilder took 1155.20 ms. Allocated memory was 205.0 MB in the beginning and 232.8 MB in the end (delta: 27.8 MB). Free memory was 168.9 MB in the beginning and 189.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:07:34,721 INFO L168 Benchmark]: TraceAbstraction took 41100.46 ms. Allocated memory was 232.8 MB in the beginning and 724.6 MB in the end (delta: 491.8 MB). Free memory was 188.4 MB in the beginning and 319.6 MB in the end (delta: -131.3 MB). Peak memory consumption was 572.1 MB. Max. memory is 7.1 GB. [2020-08-18 16:07:34,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.78 ms. Allocated memory was 143.1 MB in the beginning and 205.0 MB in the end (delta: 61.9 MB). Free memory was 103.8 MB in the beginning and 173.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.18 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.20 ms. Allocated memory was 205.0 MB in the beginning and 232.8 MB in the end (delta: 27.8 MB). Free memory was 168.9 MB in the beginning and 189.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41100.46 ms. Allocated memory was 232.8 MB in the beginning and 724.6 MB in the end (delta: 491.8 MB). Free memory was 188.4 MB in the beginning and 319.6 MB in the end (delta: -131.3 MB). Peak memory consumption was 572.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1010 SDtfs, 1729 SDslu, 1166 SDs, 0 SdLazy, 5446 SolverSat, 1132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 321 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 902 PreInvPairs, 960 NumberOfFragments, 1331 HoareAnnotationTreeSize, 902 FomulaSimplifications, 1756440 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 63403 FormulaSimplificationTreeSizeReductionInter, 11.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 192831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...