/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.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:02:39,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:02:39,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:02:39,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:02:39,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:02:39,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:02:39,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:02:39,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:02:39,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:02:39,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:02:39,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:02:39,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:02:39,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:02:39,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:02:39,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:02:39,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:02:39,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:02:39,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:02:39,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:02:39,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:02:39,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:02:39,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:02:39,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:02:39,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:02:39,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:02:39,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:02:39,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:02:39,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:02:39,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:02:39,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:02:39,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:02:39,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:02:39,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:02:39,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:02:39,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:02:39,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:02:39,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:02:39,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:02:39,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:02:39,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:02:39,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:02:39,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:02:39,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:02:39,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:02:39,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:02:39,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:02:39,211 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:02:39,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:02:39,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:02:39,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:02:39,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:02:39,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:02:39,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:02:39,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:02:39,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:02:39,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:02:39,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:02:39,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:02:39,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:02:39,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:02:39,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:02:39,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:02:39,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:02:39,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:02:39,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:02:39,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:02:39,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:02:39,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:02:39,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:02:39,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:02:39,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:02:39,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:02:39,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:02:39,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:02:39,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:02:39,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:02:39,536 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:02:39,537 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-20 01:02:39,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b2a09d0/2b7c0b1725dd4fd89b0b2f2eb7f53529/FLAG8513982f6 [2020-07-20 01:02:40,221 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:02:40,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-20 01:02:40,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b2a09d0/2b7c0b1725dd4fd89b0b2f2eb7f53529/FLAG8513982f6 [2020-07-20 01:02:40,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b2a09d0/2b7c0b1725dd4fd89b0b2f2eb7f53529 [2020-07-20 01:02:40,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:02:40,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:02:40,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:02:40,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:02:40,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:02:40,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:40" (1/1) ... [2020-07-20 01:02:40,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e369c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:40, skipping insertion in model container [2020-07-20 01:02:40,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:40" (1/1) ... [2020-07-20 01:02:40,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:02:40,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:02:41,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:02:41,104 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:02:41,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:02:41,222 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:02:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41 WrapperNode [2020-07-20 01:02:41,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:02:41,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:02:41,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:02:41,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:02:41,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... [2020-07-20 01:02:41,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:02:41,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:02:41,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:02:41,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:02:41,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 01:02:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:02:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:02:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:02:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:02:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:02:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:02:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:02:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:02:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:02:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:02:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:02:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:02:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:02:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:02:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:02:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:02:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:02:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:02:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:02:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:02:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:02:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:02:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:02:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:02:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:02:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:02:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:02:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:02:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:02:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:02:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:02:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:02:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:02:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:02:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:02:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:02:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:02:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:02:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:02:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:02:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:02:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:02:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:02:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:02:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:02:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:02:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:02:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:02:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:02:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:02:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:02:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:02:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:02:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:02:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:02:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:02:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:02:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:02:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:02:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:02:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:02:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:02:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:02:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:02:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:02:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:02:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:02:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:02:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:02:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:02:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:02:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:02:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:02:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:02:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:02:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:02:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:02:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:02:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:02:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:02:42,510 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:02:42,510 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:02:42,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:42 BoogieIcfgContainer [2020-07-20 01:02:42,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:02:42,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:02:42,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:02:42,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:02:42,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:40" (1/3) ... [2020-07-20 01:02:42,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6b2892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:42, skipping insertion in model container [2020-07-20 01:02:42,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:41" (2/3) ... [2020-07-20 01:02:42,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6b2892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:42, skipping insertion in model container [2020-07-20 01:02:42,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:42" (3/3) ... [2020-07-20 01:02:42,526 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-07-20 01:02:42,538 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:02:42,548 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:02:42,565 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:02:42,591 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:02:42,592 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:02:42,592 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:02:42,592 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:02:42,592 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:02:42,592 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:02:42,593 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:02:42,593 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:02:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-20 01:02:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 01:02:42,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:42,629 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] [2020-07-20 01:02:42,629 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:42,636 INFO L82 PathProgramCache]: Analyzing trace with hash -583894042, now seen corresponding path program 1 times [2020-07-20 01:02:42,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:42,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474498281] [2020-07-20 01:02:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:02:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,293 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:43,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474498281] [2020-07-20 01:02:43,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:43,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:02:43,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245542588] [2020-07-20 01:02:43,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:02:43,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:43,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:02:43,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:02:43,452 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 3 states. [2020-07-20 01:02:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:44,676 INFO L93 Difference]: Finished difference Result 320 states and 417 transitions. [2020-07-20 01:02:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:02:44,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 01:02:44,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:44,704 INFO L225 Difference]: With dead ends: 320 [2020-07-20 01:02:44,704 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 01:02:44,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:02:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 01:02:44,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 138. [2020-07-20 01:02:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 01:02:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-20 01:02:44,837 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2020-07-20 01:02:44,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:44,838 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-20 01:02:44,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:02:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-20 01:02:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 01:02:44,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:44,853 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] [2020-07-20 01:02:44,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:02:44,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:44,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:44,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2008699999, now seen corresponding path program 1 times [2020-07-20 01:02:44,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:44,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339305167] [2020-07-20 01:02:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:02:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,263 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:45,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339305167] [2020-07-20 01:02:45,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:45,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:02:45,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017871311] [2020-07-20 01:02:45,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:02:45,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:45,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:02:45,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:02:45,340 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 4 states. [2020-07-20 01:02:45,757 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:46,690 INFO L93 Difference]: Finished difference Result 243 states and 296 transitions. [2020-07-20 01:02:46,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:02:46,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 01:02:46,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:46,700 INFO L225 Difference]: With dead ends: 243 [2020-07-20 01:02:46,700 INFO L226 Difference]: Without dead ends: 157 [2020-07-20 01:02:46,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:02:46,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-20 01:02:46,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 129. [2020-07-20 01:02:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 01:02:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-20 01:02:46,739 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2020-07-20 01:02:46,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:46,740 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-20 01:02:46,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:02:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-20 01:02:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 01:02:46,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:46,742 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] [2020-07-20 01:02:46,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:02:46,743 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:46,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:46,743 INFO L82 PathProgramCache]: Analyzing trace with hash 940393630, now seen corresponding path program 1 times [2020-07-20 01:02:46,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:46,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537949621] [2020-07-20 01:02:46,744 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:02:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,104 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:47,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537949621] [2020-07-20 01:02:47,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:47,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:02:47,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972222905] [2020-07-20 01:02:47,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:02:47,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:47,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:02:47,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:02:47,242 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 8 states. [2020-07-20 01:02:47,595 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:47,938 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:48,218 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:48,469 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:49,246 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:51,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:51,103 INFO L93 Difference]: Finished difference Result 442 states and 547 transitions. [2020-07-20 01:02:51,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:02:51,104 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-20 01:02:51,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:51,110 INFO L225 Difference]: With dead ends: 442 [2020-07-20 01:02:51,110 INFO L226 Difference]: Without dead ends: 337 [2020-07-20 01:02:51,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:02:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-20 01:02:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 272. [2020-07-20 01:02:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-20 01:02:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2020-07-20 01:02:51,188 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 52 [2020-07-20 01:02:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:51,189 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2020-07-20 01:02:51,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:02:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2020-07-20 01:02:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 01:02:51,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:51,191 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] [2020-07-20 01:02:51,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:02:51,192 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:51,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:51,192 INFO L82 PathProgramCache]: Analyzing trace with hash -885199720, now seen corresponding path program 1 times [2020-07-20 01:02:51,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:51,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302579545] [2020-07-20 01:02:51,193 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:02:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,537 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:51,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302579545] [2020-07-20 01:02:51,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:51,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:02:51,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563098861] [2020-07-20 01:02:51,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:02:51,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:51,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:02:51,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:51,675 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand 12 states. [2020-07-20 01:02:52,076 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:52,380 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:52,616 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:52,855 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:53,386 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:54,192 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:54,608 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:54,896 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:55,163 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:02:55,452 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:55,824 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:56,176 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:56,527 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:58,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:58,273 INFO L93 Difference]: Finished difference Result 1101 states and 1516 transitions. [2020-07-20 01:02:58,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 01:02:58,273 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-20 01:02:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:58,281 INFO L225 Difference]: With dead ends: 1101 [2020-07-20 01:02:58,281 INFO L226 Difference]: Without dead ends: 853 [2020-07-20 01:02:58,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:02:58,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-07-20 01:02:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 756. [2020-07-20 01:02:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-07-20 01:02:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 962 transitions. [2020-07-20 01:02:58,481 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 962 transitions. Word has length 57 [2020-07-20 01:02:58,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:58,482 INFO L479 AbstractCegarLoop]: Abstraction has 756 states and 962 transitions. [2020-07-20 01:02:58,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:02:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 962 transitions. [2020-07-20 01:02:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 01:02:58,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:58,486 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] [2020-07-20 01:02:58,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:02:58,487 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:58,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:58,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1426922018, now seen corresponding path program 1 times [2020-07-20 01:02:58,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:58,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258833899] [2020-07-20 01:02:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:02:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,741 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:58,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258833899] [2020-07-20 01:02:58,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:58,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:02:58,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114567943] [2020-07-20 01:02:58,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:02:58,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:58,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:02:58,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:02:58,842 INFO L87 Difference]: Start difference. First operand 756 states and 962 transitions. Second operand 6 states. [2020-07-20 01:02:59,229 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:01,259 INFO L93 Difference]: Finished difference Result 1819 states and 2481 transitions. [2020-07-20 01:03:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 01:03:01,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-20 01:03:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:01,268 INFO L225 Difference]: With dead ends: 1819 [2020-07-20 01:03:01,268 INFO L226 Difference]: Without dead ends: 1087 [2020-07-20 01:03:01,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:03:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-07-20 01:03:01,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 996. [2020-07-20 01:03:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-07-20 01:03:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1256 transitions. [2020-07-20 01:03:01,496 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1256 transitions. Word has length 61 [2020-07-20 01:03:01,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:01,496 INFO L479 AbstractCegarLoop]: Abstraction has 996 states and 1256 transitions. [2020-07-20 01:03:01,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:03:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1256 transitions. [2020-07-20 01:03:01,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 01:03:01,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:01,501 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:01,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:03:01,502 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:01,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:01,503 INFO L82 PathProgramCache]: Analyzing trace with hash -50759536, now seen corresponding path program 1 times [2020-07-20 01:03:01,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:01,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465455853] [2020-07-20 01:03:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:03:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,810 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 01:03:02,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465455853] [2020-07-20 01:03:02,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059178639] [2020-07-20 01:03:02,009 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47247d6e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:02,534 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47247d6e issued 4 check-sat command(s) [2020-07-20 01:03:02,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:02,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:03:02,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:03:02,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:03:02,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-20 01:03:02,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756726931] [2020-07-20 01:03:02,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:03:02,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:02,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:03:02,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:03:02,648 INFO L87 Difference]: Start difference. First operand 996 states and 1256 transitions. Second operand 12 states. [2020-07-20 01:03:03,360 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-20 01:03:03,940 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:05,864 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:06,209 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:09,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:09,689 INFO L93 Difference]: Finished difference Result 2678 states and 3657 transitions. [2020-07-20 01:03:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-20 01:03:09,690 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-20 01:03:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:09,703 INFO L225 Difference]: With dead ends: 2678 [2020-07-20 01:03:09,703 INFO L226 Difference]: Without dead ends: 1957 [2020-07-20 01:03:09,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 01:03:09,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2020-07-20 01:03:10,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1775. [2020-07-20 01:03:10,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-07-20 01:03:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2263 transitions. [2020-07-20 01:03:10,089 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2263 transitions. Word has length 89 [2020-07-20 01:03:10,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:10,091 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 2263 transitions. [2020-07-20 01:03:10,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:03:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2263 transitions. [2020-07-20 01:03:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-20 01:03:10,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:10,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:10,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-20 01:03:10,311 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:10,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:10,312 INFO L82 PathProgramCache]: Analyzing trace with hash 622271142, now seen corresponding path program 1 times [2020-07-20 01:03:10,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:10,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846173798] [2020-07-20 01:03:10,313 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:03:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,606 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:03:10,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846173798] [2020-07-20 01:03:10,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720670888] [2020-07-20 01:03:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@41b2d0ce No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:11,187 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@41b2d0ce issued 3 check-sat command(s) [2020-07-20 01:03:11,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:11,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:03:11,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:03:11,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:11,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-20 01:03:11,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997399110] [2020-07-20 01:03:11,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:03:11,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:11,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:03:11,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:03:11,271 INFO L87 Difference]: Start difference. First operand 1775 states and 2263 transitions. Second operand 6 states. [2020-07-20 01:03:11,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:11,692 INFO L93 Difference]: Finished difference Result 3566 states and 4668 transitions. [2020-07-20 01:03:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:03:11,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-07-20 01:03:11,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:11,704 INFO L225 Difference]: With dead ends: 3566 [2020-07-20 01:03:11,704 INFO L226 Difference]: Without dead ends: 1815 [2020-07-20 01:03:11,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:03:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2020-07-20 01:03:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2020-07-20 01:03:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2020-07-20 01:03:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2311 transitions. [2020-07-20 01:03:12,086 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2311 transitions. Word has length 130 [2020-07-20 01:03:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:12,086 INFO L479 AbstractCegarLoop]: Abstraction has 1815 states and 2311 transitions. [2020-07-20 01:03:12,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:03:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2311 transitions. [2020-07-20 01:03:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-20 01:03:12,091 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:12,092 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:12,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:12,308 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:12,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:12,308 INFO L82 PathProgramCache]: Analyzing trace with hash -520231324, now seen corresponding path program 1 times [2020-07-20 01:03:12,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:12,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966238572] [2020-07-20 01:03:12,309 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:03:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,552 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:03:12,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966238572] [2020-07-20 01:03:12,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907182464] [2020-07-20 01:03:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@17efdb51 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:13,453 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@17efdb51 issued 3 check-sat command(s) [2020-07-20 01:03:13,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:13,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 01:03:13,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:03:13,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:13,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-07-20 01:03:13,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666656632] [2020-07-20 01:03:13,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:03:13,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:13,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:03:13,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:03:13,518 INFO L87 Difference]: Start difference. First operand 1815 states and 2311 transitions. Second operand 5 states. [2020-07-20 01:03:13,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:13,827 INFO L93 Difference]: Finished difference Result 3322 states and 4316 transitions. [2020-07-20 01:03:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:03:13,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-07-20 01:03:13,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:13,839 INFO L225 Difference]: With dead ends: 3322 [2020-07-20 01:03:13,840 INFO L226 Difference]: Without dead ends: 1531 [2020-07-20 01:03:13,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:03:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-07-20 01:03:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2020-07-20 01:03:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2020-07-20 01:03:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1909 transitions. [2020-07-20 01:03:14,198 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1909 transitions. Word has length 130 [2020-07-20 01:03:14,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:14,202 INFO L479 AbstractCegarLoop]: Abstraction has 1531 states and 1909 transitions. [2020-07-20 01:03:14,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:03:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1909 transitions. [2020-07-20 01:03:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 01:03:14,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:14,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:14,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:14,423 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:14,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:14,424 INFO L82 PathProgramCache]: Analyzing trace with hash 669135741, now seen corresponding path program 1 times [2020-07-20 01:03:14,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:14,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43353138] [2020-07-20 01:03:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:03:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,665 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 01:03:14,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43353138] [2020-07-20 01:03:14,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213118122] [2020-07-20 01:03:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@542ad6b6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:15,257 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@542ad6b6 issued 4 check-sat command(s) [2020-07-20 01:03:15,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:15,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:03:15,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:03:15,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:03:15,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2020-07-20 01:03:15,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490148581] [2020-07-20 01:03:15,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 01:03:15,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:15,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 01:03:15,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:03:15,412 INFO L87 Difference]: Start difference. First operand 1531 states and 1909 transitions. Second operand 17 states. [2020-07-20 01:03:16,232 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:16,905 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:17,542 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:17,849 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:18,159 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:18,650 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-07-20 01:03:18,985 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:19,284 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:20,478 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:20,751 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:03:21,073 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:21,339 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:22,121 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:22,374 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:22,649 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:22,886 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:24,128 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:03:24,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:24,406 INFO L93 Difference]: Finished difference Result 3197 states and 4275 transitions. [2020-07-20 01:03:24,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-20 01:03:24,407 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 134 [2020-07-20 01:03:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:24,419 INFO L225 Difference]: With dead ends: 3197 [2020-07-20 01:03:24,419 INFO L226 Difference]: Without dead ends: 1849 [2020-07-20 01:03:24,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=488, Invalid=1674, Unknown=0, NotChecked=0, Total=2162 [2020-07-20 01:03:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2020-07-20 01:03:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1445. [2020-07-20 01:03:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-07-20 01:03:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1785 transitions. [2020-07-20 01:03:24,751 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1785 transitions. Word has length 134 [2020-07-20 01:03:24,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:24,753 INFO L479 AbstractCegarLoop]: Abstraction has 1445 states and 1785 transitions. [2020-07-20 01:03:24,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 01:03:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1785 transitions. [2020-07-20 01:03:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-20 01:03:24,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:24,760 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:24,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:24,974 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:24,974 INFO L82 PathProgramCache]: Analyzing trace with hash -4159924, now seen corresponding path program 1 times [2020-07-20 01:03:24,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:24,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914963959] [2020-07-20 01:03:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:03:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,296 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 01:03:25,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914963959] [2020-07-20 01:03:25,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343217111] [2020-07-20 01:03:25,532 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4848fad0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:26,092 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4848fad0 issued 3 check-sat command(s) [2020-07-20 01:03:26,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:26,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:03:26,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:26,280 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:03:26,281 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:03:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 01:03:26,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:03:26,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2020-07-20 01:03:26,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038740760] [2020-07-20 01:03:26,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-20 01:03:26,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:26,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-20 01:03:26,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:03:26,488 INFO L87 Difference]: Start difference. First operand 1445 states and 1785 transitions. Second operand 18 states. [2020-07-20 01:03:27,022 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:28,157 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:29,040 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:30,293 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:30,569 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:30,819 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:31,278 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:31,743 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-07-20 01:03:32,322 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-07-20 01:03:33,793 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:34,071 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:34,311 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:34,744 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-20 01:03:34,971 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:35,503 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-20 01:03:35,732 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:36,651 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:37,287 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:37,847 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:38,545 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:39,118 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:40,901 INFO L93 Difference]: Finished difference Result 3984 states and 5357 transitions. [2020-07-20 01:03:40,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-07-20 01:03:40,902 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 188 [2020-07-20 01:03:40,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:40,919 INFO L225 Difference]: With dead ends: 3984 [2020-07-20 01:03:40,919 INFO L226 Difference]: Without dead ends: 2718 [2020-07-20 01:03:40,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=684, Invalid=3222, Unknown=0, NotChecked=0, Total=3906 [2020-07-20 01:03:40,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2020-07-20 01:03:41,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2144. [2020-07-20 01:03:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2144 states. [2020-07-20 01:03:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2624 transitions. [2020-07-20 01:03:41,398 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2624 transitions. Word has length 188 [2020-07-20 01:03:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:41,399 INFO L479 AbstractCegarLoop]: Abstraction has 2144 states and 2624 transitions. [2020-07-20 01:03:41,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-20 01:03:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2624 transitions. [2020-07-20 01:03:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-20 01:03:41,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:41,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:41,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:03:41,625 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:41,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:41,625 INFO L82 PathProgramCache]: Analyzing trace with hash 123633891, now seen corresponding path program 1 times [2020-07-20 01:03:41,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:41,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922693342] [2020-07-20 01:03:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4797833b [2020-07-20 01:03:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,897 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-20 01:03:42,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922693342] [2020-07-20 01:03:42,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433098557] [2020-07-20 01:03:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@648c155a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:42,496 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@648c155a issued 3 check-sat command(s) [2020-07-20 01:03:42,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:42,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:03:42,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-20 01:03:42,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:42,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2020-07-20 01:03:42,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044347246] [2020-07-20 01:03:42,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:03:42,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:42,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:03:42,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:03:42,562 INFO L87 Difference]: Start difference. First operand 2144 states and 2624 transitions. Second operand 6 states. [2020-07-20 01:03:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:42,780 INFO L93 Difference]: Finished difference Result 2876 states and 3503 transitions. [2020-07-20 01:03:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:03:42,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-07-20 01:03:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:42,782 INFO L225 Difference]: With dead ends: 2876 [2020-07-20 01:03:42,782 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:03:42,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:03:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:03:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:03:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:03:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:03:42,792 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-07-20 01:03:42,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:42,793 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:03:42,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:03:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:03:42,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:03:42,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:42,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:03:45,112 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 272 [2020-07-20 01:03:46,568 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 266 [2020-07-20 01:03:49,125 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 264 [2020-07-20 01:03:49,411 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 264 [2020-07-20 01:03:50,299 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 198 [2020-07-20 01:03:50,628 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 94 [2020-07-20 01:03:51,833 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-07-20 01:03:53,011 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-07-20 01:03:53,145 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-20 01:03:53,602 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-20 01:03:53,769 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 01:03:54,196 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2020-07-20 01:03:54,545 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-20 01:03:54,914 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-20 01:03:55,255 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 26 [2020-07-20 01:03:55,615 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 18 [2020-07-20 01:03:56,350 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 28 [2020-07-20 01:03:56,793 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-07-20 01:03:57,026 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:57,230 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 22 [2020-07-20 01:03:57,560 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 25 [2020-07-20 01:03:58,060 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 24 [2020-07-20 01:03:58,208 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:03:58,761 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 20 [2020-07-20 01:03:59,179 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-20 01:03:59,713 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 16 [2020-07-20 01:04:00,520 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 19 [2020-07-20 01:04:00,877 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2020-07-20 01:04:01,022 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:04:01,184 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-20 01:04:01,552 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-20 01:04:01,868 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2020-07-20 01:04:02,035 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-20 01:04:02,344 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-20 01:04:02,664 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 10 [2020-07-20 01:04:03,053 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-20 01:04:03,444 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-20 01:04:03,576 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-20 01:04:03,945 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-20 01:04:04,441 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 13 [2020-07-20 01:04:05,432 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 26 [2020-07-20 01:04:05,661 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-20 01:04:05,799 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-20 01:04:06,166 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-20 01:04:06,527 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-20 01:04:06,889 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-20 01:04:07,013 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 22 [2020-07-20 01:04:07,256 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 8 [2020-07-20 01:04:07,483 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2020-07-20 01:04:07,849 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-07-20 01:04:08,006 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-20 01:04:08,767 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 24 [2020-07-20 01:04:08,933 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:04:08,938 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-20 01:04:08,938 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 536) no Hoare annotation was computed. [2020-07-20 01:04:08,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 501 556) no Hoare annotation was computed. [2020-07-20 01:04:08,939 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 01:04:08,939 INFO L268 CegarLoopResult]: For program point L526-2(lines 526 547) no Hoare annotation was computed. [2020-07-20 01:04:08,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 501 556) no Hoare annotation was computed. [2020-07-20 01:04:08,939 INFO L268 CegarLoopResult]: For program point L548(lines 525 549) no Hoare annotation was computed. [2020-07-20 01:04:08,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 501 556) no Hoare annotation was computed. [2020-07-20 01:04:08,940 INFO L268 CegarLoopResult]: For program point L609(lines 582 610) no Hoare annotation was computed. [2020-07-20 01:04:08,940 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-20 01:04:08,940 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-20 01:04:08,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 557 616) no Hoare annotation was computed. [2020-07-20 01:04:08,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 557 616) no Hoare annotation was computed. [2020-07-20 01:04:08,941 INFO L268 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-07-20 01:04:08,941 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 593) no Hoare annotation was computed. [2020-07-20 01:04:08,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 557 616) no Hoare annotation was computed. [2020-07-20 01:04:08,941 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 01:04:08,941 INFO L268 CegarLoopResult]: For program point L583-2(lines 583 608) no Hoare annotation was computed. [2020-07-20 01:04:08,942 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2020-07-20 01:04:08,942 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2020-07-20 01:04:08,942 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2020-07-20 01:04:08,942 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2020-07-20 01:04:08,942 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2020-07-20 01:04:08,942 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2020-07-20 01:04:08,942 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2020-07-20 01:04:08,943 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-20 01:04:08,943 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-07-20 01:04:08,943 INFO L264 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-20 01:04:08,943 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-20 01:04:08,943 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-07-20 01:04:08,943 INFO L268 CegarLoopResult]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2020-07-20 01:04:08,943 INFO L271 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: true [2020-07-20 01:04:08,943 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-20 01:04:08,944 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,944 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,944 INFO L264 CegarLoopResult]: At program point L896-1(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,944 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 890 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,944 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-07-20 01:04:08,944 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-07-20 01:04:08,944 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,945 INFO L264 CegarLoopResult]: At program point L902-1(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 846 869) no Hoare annotation was computed. [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 01:04:08,945 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 846 869) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 846 869) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 01:04:08,946 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2020-07-20 01:04:08,947 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0)))) [2020-07-20 01:04:08,947 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-07-20 01:04:08,948 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:04:08,948 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2020-07-20 01:04:08,948 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-07-20 01:04:08,948 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-07-20 01:04:08,948 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-07-20 01:04:08,948 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2020-07-20 01:04:08,948 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-20 01:04:08,948 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-07-20 01:04:08,949 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 455 500) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 455 500) no Hoare annotation was computed. [2020-07-20 01:04:08,950 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 455 500) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 768 813) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point L782(lines 782 802) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point L782-1(lines 782 802) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 768 813) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 768 813) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 877 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2020-07-20 01:04:08,951 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 261 271) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-20 01:04:08,952 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 01:04:08,953 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 01:04:08,953 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 01:04:08,953 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 01:04:08,953 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-07-20 01:04:08,953 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-07-20 01:04:08,953 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-07-20 01:04:08,953 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-20 01:04:08,953 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0)) [2020-07-20 01:04:08,953 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-07-20 01:04:08,954 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-07-20 01:04:08,954 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~1))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:04:08,954 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-20 01:04:08,954 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 01:04:08,954 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-07-20 01:04:08,954 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-07-20 01:04:08,954 INFO L264 CegarLoopResult]: At program point testENTRY(lines 380 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 01:04:08,955 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:04:08,955 INFO L268 CegarLoopResult]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2020-07-20 01:04:08,955 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:04:08,955 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-07-20 01:04:08,955 INFO L264 CegarLoopResult]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:04:08,955 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-07-20 01:04:08,956 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-20 01:04:08,956 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-07-20 01:04:08,956 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:04:08,956 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-20 01:04:08,956 INFO L268 CegarLoopResult]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2020-07-20 01:04:08,956 INFO L264 CegarLoopResult]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:04:08,956 INFO L264 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point L736(lines 736 756) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 756) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 722 767) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 722 767) no Hoare annotation was computed. [2020-07-20 01:04:08,957 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 722 767) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 01:04:08,958 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 619 721) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point L669(lines 668 688) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point L665(lines 665 706) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-07-20 01:04:08,959 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 619 721) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 688) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 619 721) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L689(lines 667 690) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L648(lines 648 664) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point L708(lines 708 715) no Hoare annotation was computed. [2020-07-20 01:04:08,960 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 915 924) no Hoare annotation was computed. [2020-07-20 01:04:08,961 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 915 924) no Hoare annotation was computed. [2020-07-20 01:04:08,961 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 915 924) no Hoare annotation was computed. [2020-07-20 01:04:08,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,961 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-20 01:04:08,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,961 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-07-20 01:04:08,962 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-07-20 01:04:08,962 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 01:04:08,962 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 01:04:08,962 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 01:04:08,962 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 01:04:08,962 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-07-20 01:04:08,962 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-20 01:04:08,962 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-07-20 01:04:08,962 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-07-20 01:04:08,963 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-07-20 01:04:08,963 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-07-20 01:04:08,963 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-20 01:04:08,963 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 01:04:08,963 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-20 01:04:08,963 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 01:04:08,963 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,963 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,964 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,964 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-07-20 01:04:08,964 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 01:04:08,964 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 01:04:08,964 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 01:04:08,964 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (not .cse0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-20 01:04:08,964 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (not .cse1) .cse2) (and .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) (let ((.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (and .cse0 .cse4) (and .cse4 .cse3) (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-20 01:04:08,964 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-07-20 01:04:08,965 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))) [2020-07-20 01:04:08,965 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-07-20 01:04:08,965 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-07-20 01:04:08,965 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2020-07-20 01:04:08,965 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-07-20 01:04:08,965 INFO L271 CegarLoopResult]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2020-07-20 01:04:08,965 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2020-07-20 01:04:08,965 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 01:04:08,966 INFO L271 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2020-07-20 01:04:08,966 INFO L271 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-07-20 01:04:08,966 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-20 01:04:08,966 INFO L271 CegarLoopResult]: At program point L841(lines 816 845) the Hoare annotation is: true [2020-07-20 01:04:08,966 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-20 01:04:08,966 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2020-07-20 01:04:08,966 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 01:04:08,966 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 01:04:08,967 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-20 01:04:08,967 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2020-07-20 01:04:08,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,967 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:04:08,967 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:04:08,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:04:08,967 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 01:04:08,968 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:04:08,968 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 01:04:08,968 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:04:08,968 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-07-20 01:04:08,968 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-20 01:04:08,968 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-07-20 01:04:08,968 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:04:08,969 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-20 01:04:08,969 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-07-20 01:04:08,969 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:04:08,969 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-20 01:04:08,969 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-07-20 01:04:08,969 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 01:04:08,969 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 01:04:08,969 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (= 0 ~systemActive~0) .cse0 .cse1) (or .cse0 .cse2 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse1))) [2020-07-20 01:04:08,970 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2020-07-20 01:04:08,970 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-20 01:04:08,970 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2020-07-20 01:04:08,970 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2020-07-20 01:04:08,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:08 BoogieIcfgContainer [2020-07-20 01:04:08,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:04:08,990 INFO L168 Benchmark]: Toolchain (without parser) took 88503.40 ms. Allocated memory was 145.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 100.7 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-20 01:04:08,990 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:04:08,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.40 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.3 MB in the beginning and 172.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:04:08,991 INFO L168 Benchmark]: Boogie Preprocessor took 87.62 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 167.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:04:08,992 INFO L168 Benchmark]: RCFGBuilder took 1205.28 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 197.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:04:08,992 INFO L168 Benchmark]: TraceAbstraction took 86470.20 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 197.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-20 01:04:08,994 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.40 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.3 MB in the beginning and 172.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.62 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 167.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.28 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 197.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86470.20 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 197.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 389]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 47.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1751 SDtfs, 3548 SDslu, 3643 SDs, 0 SdLazy, 12516 SolverSat, 2850 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1461 GetRequests, 1236 SyntacticMatches, 3 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2054 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2144occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1476 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4587 PreInvPairs, 4736 NumberOfFragments, 1189 HoareAnnotationTreeSize, 4587 FomulaSimplifications, 2214108 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 66340 FormulaSimplificationTreeSizeReductionInter, 17.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1989 NumberOfCodeBlocks, 1832 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1972 ConstructedInterpolants, 0 QuantifiedInterpolants, 614637 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4962 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 572/622 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...