/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_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:56:24,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:56:24,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:56:24,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:56:24,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:56:24,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:56:24,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:56:24,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:56:24,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:56:24,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:56:24,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:56:24,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:56:24,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:56:24,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:56:24,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:56:24,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:56:24,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:56:24,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:56:24,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:56:24,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:56:24,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:56:24,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:56:24,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:56:24,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:56:24,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:56:24,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:56:24,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:56:24,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:56:24,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:56:24,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:56:24,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:56:24,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:56:24,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:56:24,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:56:24,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:56:24,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:56:24,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:56:24,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:56:24,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:56:24,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:56:24,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:56:24,227 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 00:56:24,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:56:24,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:56:24,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:56:24,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:56:24,243 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:56:24,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:56:24,244 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:56:24,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:56:24,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:56:24,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:56:24,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:56:24,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:56:24,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:56:24,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:56:24,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:56:24,245 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:56:24,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:56:24,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:56:24,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:56:24,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:56:24,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:56:24,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:56:24,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:56:24,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:56:24,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:56:24,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:56:24,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:56:24,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:56:24,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:56:24,248 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 00:56:24,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:56:24,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:56:24,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:56:24,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:56:24,549 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:56:24,550 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-07-20 00:56:24,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b56625a/d920430caeae411a91e67d7fbad80e50/FLAGa8c7e3557 [2020-07-20 00:56:25,142 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:56:25,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-07-20 00:56:25,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b56625a/d920430caeae411a91e67d7fbad80e50/FLAGa8c7e3557 [2020-07-20 00:56:25,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b56625a/d920430caeae411a91e67d7fbad80e50 [2020-07-20 00:56:25,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:56:25,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:56:25,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:56:25,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:56:25,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:56:25,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:25" (1/1) ... [2020-07-20 00:56:25,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b260048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:25, skipping insertion in model container [2020-07-20 00:56:25,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:25" (1/1) ... [2020-07-20 00:56:25,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:56:25,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:56:25,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:56:25,977 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:56:26,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:56:26,092 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:56:26,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26 WrapperNode [2020-07-20 00:56:26,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:56:26,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:56:26,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:56:26,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:56:26,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (1/1) ... [2020-07-20 00:56:26,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:56:26,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:56:26,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:56:26,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:56:26,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (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 00:56:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:56:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:56:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:56:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:56:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:56:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:56:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:56:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:56:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:56:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:56:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:56:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:56:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:56:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:56:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:56:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:56:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:56:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:56:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:56:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:56:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:56:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:56:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:56:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:56:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:56:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:56:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:56:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:56:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:56:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:56:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:56:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:56:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:56:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:56:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:56:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:56:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:56:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:56:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:56:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:56:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:56:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:56:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:56:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:56:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:56:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:56:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:56:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:56:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:56:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:56:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:56:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:56:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:56:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:56:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:56:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:56:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:56:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:56:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:56:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:56:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:56:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:56:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:56:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:56:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:56:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:56:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:56:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:56:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:56:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:56:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:56:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:56:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:56:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:56:27,222 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:56:27,222 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:56:27,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:27 BoogieIcfgContainer [2020-07-20 00:56:27,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:56:27,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:56:27,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:56:27,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:56:27,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:56:25" (1/3) ... [2020-07-20 00:56:27,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41797dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:27, skipping insertion in model container [2020-07-20 00:56:27,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:26" (2/3) ... [2020-07-20 00:56:27,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41797dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:27, skipping insertion in model container [2020-07-20 00:56:27,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:27" (3/3) ... [2020-07-20 00:56:27,238 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-07-20 00:56:27,249 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:56:27,257 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:56:27,271 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:56:27,299 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:56:27,299 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:56:27,300 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:56:27,300 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:56:27,300 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:56:27,300 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:56:27,300 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:56:27,300 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:56:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-20 00:56:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 00:56:27,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:27,328 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] [2020-07-20 00:56:27,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:27,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:27,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2020-07-20 00:56:27,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:27,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032480969] [2020-07-20 00:56:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,016 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:28,135 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 00:56:28,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032480969] [2020-07-20 00:56:28,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:28,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:56:28,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950620739] [2020-07-20 00:56:28,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:56:28,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:28,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:56:28,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:56:28,173 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-07-20 00:56:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:29,225 INFO L93 Difference]: Finished difference Result 286 states and 375 transitions. [2020-07-20 00:56:29,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 00:56:29,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-20 00:56:29,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:29,241 INFO L225 Difference]: With dead ends: 286 [2020-07-20 00:56:29,241 INFO L226 Difference]: Without dead ends: 159 [2020-07-20 00:56:29,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:56:29,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-20 00:56:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-07-20 00:56:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 00:56:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-07-20 00:56:29,336 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-07-20 00:56:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:29,336 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-07-20 00:56:29,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:56:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-07-20 00:56:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:56:29,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:29,340 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 00:56:29,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:56:29,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:29,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:29,341 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2020-07-20 00:56:29,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:29,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576401209] [2020-07-20 00:56:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,650 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,707 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 00:56:29,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576401209] [2020-07-20 00:56:29,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:29,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 00:56:29,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965691475] [2020-07-20 00:56:29,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 00:56:29,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:29,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 00:56:29,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:56:29,710 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-07-20 00:56:30,147 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:30,926 INFO L93 Difference]: Finished difference Result 231 states and 286 transitions. [2020-07-20 00:56:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 00:56:30,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-20 00:56:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:30,931 INFO L225 Difference]: With dead ends: 231 [2020-07-20 00:56:30,931 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 00:56:30,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:56:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 00:56:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-07-20 00:56:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 00:56:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-20 00:56:30,972 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-07-20 00:56:30,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:30,972 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-20 00:56:30,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 00:56:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-20 00:56:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 00:56:30,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:30,975 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] [2020-07-20 00:56:30,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:56:30,975 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:30,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:30,976 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2020-07-20 00:56:30,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:30,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537397853] [2020-07-20 00:56:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,307 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:31,418 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 00:56:31,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537397853] [2020-07-20 00:56:31,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:31,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:56:31,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367447945] [2020-07-20 00:56:31,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:56:31,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:31,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:56:31,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:56:31,422 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2020-07-20 00:56:31,816 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:32,117 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:32,393 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:32,635 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:33,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:33,704 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2020-07-20 00:56:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 00:56:33,705 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-20 00:56:33,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:33,707 INFO L225 Difference]: With dead ends: 240 [2020-07-20 00:56:33,707 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 00:56:33,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:56:33,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 00:56:33,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-07-20 00:56:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 00:56:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-07-20 00:56:33,745 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2020-07-20 00:56:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:33,745 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-07-20 00:56:33,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:56:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-07-20 00:56:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 00:56:33,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:33,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:33,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:56:33,748 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:33,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:33,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2020-07-20 00:56:33,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:33,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91287749] [2020-07-20 00:56:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,020 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:34,124 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 00:56:34,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91287749] [2020-07-20 00:56:34,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:34,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 00:56:34,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204191472] [2020-07-20 00:56:34,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 00:56:34,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:34,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 00:56:34,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:56:34,127 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2020-07-20 00:56:34,510 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:35,652 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:36,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:36,276 INFO L93 Difference]: Finished difference Result 334 states and 423 transitions. [2020-07-20 00:56:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:56:36,276 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-20 00:56:36,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:36,280 INFO L225 Difference]: With dead ends: 334 [2020-07-20 00:56:36,280 INFO L226 Difference]: Without dead ends: 243 [2020-07-20 00:56:36,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-20 00:56:36,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-07-20 00:56:36,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 197. [2020-07-20 00:56:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-20 00:56:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2020-07-20 00:56:36,337 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2020-07-20 00:56:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:36,337 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2020-07-20 00:56:36,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 00:56:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2020-07-20 00:56:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 00:56:36,339 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:36,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:36,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:56:36,340 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:36,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:36,340 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2020-07-20 00:56:36,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:36,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266220019] [2020-07-20 00:56:36,341 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,592 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,717 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 00:56:36,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266220019] [2020-07-20 00:56:36,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:36,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:56:36,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480166775] [2020-07-20 00:56:36,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:56:36,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:36,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:56:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:56:36,721 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 9 states. [2020-07-20 00:56:37,199 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:38,336 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:38,615 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:38,850 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:39,077 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:39,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:39,974 INFO L93 Difference]: Finished difference Result 582 states and 737 transitions. [2020-07-20 00:56:39,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 00:56:39,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-20 00:56:39,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:39,981 INFO L225 Difference]: With dead ends: 582 [2020-07-20 00:56:39,981 INFO L226 Difference]: Without dead ends: 413 [2020-07-20 00:56:39,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 00:56:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-07-20 00:56:40,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 342. [2020-07-20 00:56:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-07-20 00:56:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 394 transitions. [2020-07-20 00:56:40,065 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 394 transitions. Word has length 83 [2020-07-20 00:56:40,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:40,065 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 394 transitions. [2020-07-20 00:56:40,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:56:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 394 transitions. [2020-07-20 00:56:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 00:56:40,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:40,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:40,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:56:40,069 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:40,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:40,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1817856655, now seen corresponding path program 1 times [2020-07-20 00:56:40,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:40,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133402210] [2020-07-20 00:56:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,364 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,492 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 00:56:40,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133402210] [2020-07-20 00:56:40,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:40,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:56:40,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453126943] [2020-07-20 00:56:40,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:56:40,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:40,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:56:40,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:56:40,495 INFO L87 Difference]: Start difference. First operand 342 states and 394 transitions. Second operand 10 states. [2020-07-20 00:56:40,917 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:42,035 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:42,268 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:42,506 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:42,768 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:43,806 INFO L93 Difference]: Finished difference Result 762 states and 947 transitions. [2020-07-20 00:56:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 00:56:43,807 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2020-07-20 00:56:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:43,812 INFO L225 Difference]: With dead ends: 762 [2020-07-20 00:56:43,812 INFO L226 Difference]: Without dead ends: 448 [2020-07-20 00:56:43,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-20 00:56:43,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-07-20 00:56:43,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 341. [2020-07-20 00:56:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-07-20 00:56:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 391 transitions. [2020-07-20 00:56:43,887 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 391 transitions. Word has length 87 [2020-07-20 00:56:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:43,888 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 391 transitions. [2020-07-20 00:56:43,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:56:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 391 transitions. [2020-07-20 00:56:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 00:56:43,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:43,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:43,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:56:43,890 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:43,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:43,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1046149773, now seen corresponding path program 1 times [2020-07-20 00:56:43,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:43,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160557092] [2020-07-20 00:56:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,137 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,346 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 00:56:44,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160557092] [2020-07-20 00:56:44,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:44,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:56:44,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545948480] [2020-07-20 00:56:44,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:56:44,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:44,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:56:44,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:56:44,356 INFO L87 Difference]: Start difference. First operand 341 states and 391 transitions. Second operand 10 states. [2020-07-20 00:56:45,403 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:45,638 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 00:56:45,872 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:46,093 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:47,107 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2020-07-20 00:56:47,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:56:47,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-20 00:56:47,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:47,112 INFO L225 Difference]: With dead ends: 765 [2020-07-20 00:56:47,112 INFO L226 Difference]: Without dead ends: 452 [2020-07-20 00:56:47,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:56:47,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-07-20 00:56:47,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 351. [2020-07-20 00:56:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-07-20 00:56:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2020-07-20 00:56:47,174 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 88 [2020-07-20 00:56:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:47,175 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2020-07-20 00:56:47,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:56:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2020-07-20 00:56:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 00:56:47,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:47,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:47,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:56:47,177 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:47,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:47,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1747749647, now seen corresponding path program 1 times [2020-07-20 00:56:47,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:47,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505208488] [2020-07-20 00:56:47,178 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,432 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:47,590 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 00:56:47,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505208488] [2020-07-20 00:56:47,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:47,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 00:56:47,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754741660] [2020-07-20 00:56:47,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 00:56:47,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:47,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 00:56:47,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:56:47,593 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 12 states. [2020-07-20 00:56:48,174 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:48,400 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:48,622 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:49,217 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:49,456 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:49,681 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:50,783 INFO L93 Difference]: Finished difference Result 789 states and 998 transitions. [2020-07-20 00:56:50,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:56:50,790 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-20 00:56:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:50,795 INFO L225 Difference]: With dead ends: 789 [2020-07-20 00:56:50,795 INFO L226 Difference]: Without dead ends: 466 [2020-07-20 00:56:50,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:56:50,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-07-20 00:56:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 359. [2020-07-20 00:56:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-07-20 00:56:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2020-07-20 00:56:50,872 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2020-07-20 00:56:50,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:50,873 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2020-07-20 00:56:50,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 00:56:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2020-07-20 00:56:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 00:56:50,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:50,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:50,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:56:50,878 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:50,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:50,879 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2020-07-20 00:56:50,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:50,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113504855] [2020-07-20 00:56:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,165 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:51,297 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 00:56:51,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113504855] [2020-07-20 00:56:51,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:51,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:56:51,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953484894] [2020-07-20 00:56:51,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:56:51,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:51,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:56:51,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:56:51,299 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 8 states. [2020-07-20 00:56:51,858 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:52,545 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:54,501 INFO L93 Difference]: Finished difference Result 1108 states and 1449 transitions. [2020-07-20 00:56:54,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 00:56:54,502 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-07-20 00:56:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:54,507 INFO L225 Difference]: With dead ends: 1108 [2020-07-20 00:56:54,507 INFO L226 Difference]: Without dead ends: 777 [2020-07-20 00:56:54,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-07-20 00:56:54,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-07-20 00:56:54,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 645. [2020-07-20 00:56:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-20 00:56:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 763 transitions. [2020-07-20 00:56:54,606 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 763 transitions. Word has length 88 [2020-07-20 00:56:54,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:54,607 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 763 transitions. [2020-07-20 00:56:54,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:56:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 763 transitions. [2020-07-20 00:56:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 00:56:54,609 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:54,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:54,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 00:56:54,609 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:54,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2020-07-20 00:56:54,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:54,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695578691] [2020-07-20 00:56:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,880 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:54,961 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 00:56:54,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695578691] [2020-07-20 00:56:54,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:54,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:56:54,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786435876] [2020-07-20 00:56:54,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:56:54,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:54,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:56:54,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:56:54,963 INFO L87 Difference]: Start difference. First operand 645 states and 763 transitions. Second operand 8 states. [2020-07-20 00:56:55,835 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:58,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:58,169 INFO L93 Difference]: Finished difference Result 1272 states and 1654 transitions. [2020-07-20 00:56:58,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 00:56:58,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-07-20 00:56:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:58,180 INFO L225 Difference]: With dead ends: 1272 [2020-07-20 00:56:58,180 INFO L226 Difference]: Without dead ends: 1269 [2020-07-20 00:56:58,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-07-20 00:56:58,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-07-20 00:56:58,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1071. [2020-07-20 00:56:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-07-20 00:56:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1280 transitions. [2020-07-20 00:56:58,382 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1280 transitions. Word has length 92 [2020-07-20 00:56:58,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:58,382 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1280 transitions. [2020-07-20 00:56:58,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:56:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1280 transitions. [2020-07-20 00:56:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 00:56:58,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:58,388 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:58,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-20 00:56:58,388 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:58,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:58,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2020-07-20 00:56:58,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:58,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990834958] [2020-07-20 00:56:58,392 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:56:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,693 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 00:56:58,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990834958] [2020-07-20 00:56:58,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778113926] [2020-07-20 00:56:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1a04e972 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 00:56:59,411 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1a04e972 issued 4 check-sat command(s) [2020-07-20 00:56:59,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:56:59,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 00:56:59,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:56:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 00:56:59,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:56:59,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-20 00:56:59,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670605802] [2020-07-20 00:56:59,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:56:59,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:59,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:56:59,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-20 00:56:59,626 INFO L87 Difference]: Start difference. First operand 1071 states and 1280 transitions. Second operand 8 states. [2020-07-20 00:57:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:00,004 INFO L93 Difference]: Finished difference Result 1931 states and 2290 transitions. [2020-07-20 00:57:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:57:00,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-07-20 00:57:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:00,010 INFO L225 Difference]: With dead ends: 1931 [2020-07-20 00:57:00,010 INFO L226 Difference]: Without dead ends: 888 [2020-07-20 00:57:00,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-20 00:57:00,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-07-20 00:57:00,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 888. [2020-07-20 00:57:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-07-20 00:57:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1015 transitions. [2020-07-20 00:57:00,178 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1015 transitions. Word has length 150 [2020-07-20 00:57:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:00,180 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1015 transitions. [2020-07-20 00:57:00,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:57:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1015 transitions. [2020-07-20 00:57:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 00:57:00,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:00,184 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, 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] [2020-07-20 00:57:00,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 00:57:00,398 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:00,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:00,399 INFO L82 PathProgramCache]: Analyzing trace with hash 182941043, now seen corresponding path program 1 times [2020-07-20 00:57:00,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:00,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381047195] [2020-07-20 00:57:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6783eec0 [2020-07-20 00:57:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,775 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 00:57:01,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381047195] [2020-07-20 00:57:01,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006868853] [2020-07-20 00:57:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@170d9e8f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:57:01,608 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@170d9e8f issued 4 check-sat command(s) [2020-07-20 00:57:01,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:57:01,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 00:57:01,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:57:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:01,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:57:01,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-20 00:57:01,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827687027] [2020-07-20 00:57:01,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:57:01,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:01,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:57:01,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:57:01,644 INFO L87 Difference]: Start difference. First operand 888 states and 1015 transitions. Second operand 3 states. [2020-07-20 00:57:01,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:01,849 INFO L93 Difference]: Finished difference Result 1478 states and 1719 transitions. [2020-07-20 00:57:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:57:01,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-20 00:57:01,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:01,851 INFO L225 Difference]: With dead ends: 1478 [2020-07-20 00:57:01,851 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 00:57:01,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:57:01,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 00:57:01,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 00:57:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 00:57:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 00:57:01,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-07-20 00:57:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:01,855 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 00:57:01,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:57:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 00:57:01,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 00:57:02,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 00:57:02,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 00:57:02,879 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 29 [2020-07-20 00:57:03,103 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-20 00:57:03,244 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 28 [2020-07-20 00:57:04,170 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 254 [2020-07-20 00:57:04,912 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 279 [2020-07-20 00:57:05,790 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 26 [2020-07-20 00:57:06,021 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-07-20 00:57:06,736 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 254 [2020-07-20 00:57:07,299 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 285 [2020-07-20 00:57:09,199 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-07-20 00:57:09,374 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 00:57:09,531 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-20 00:57:09,707 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:10,255 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-20 00:57:11,206 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 43 [2020-07-20 00:57:12,038 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-07-20 00:57:12,209 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-20 00:57:12,866 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-07-20 00:57:13,065 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:13,253 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-20 00:57:14,380 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 224 DAG size of output: 40 [2020-07-20 00:57:14,566 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-20 00:57:15,835 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 177 DAG size of output: 40 [2020-07-20 00:57:15,998 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-20 00:57:16,828 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-07-20 00:57:17,422 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-07-20 00:57:17,933 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 00:57:18,860 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-07-20 00:57:19,027 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 00:57:19,982 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 38 [2020-07-20 00:57:20,660 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-20 00:57:21,320 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2020-07-20 00:57:22,166 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-07-20 00:57:23,002 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-20 00:57:24,226 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 227 DAG size of output: 43 [2020-07-20 00:57:24,383 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-20 00:57:24,571 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:24,747 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:25,147 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-20 00:57:25,311 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-20 00:57:25,476 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 00:57:25,652 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:26,196 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-20 00:57:26,363 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-07-20 00:57:26,928 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-20 00:57:27,105 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:27,922 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-20 00:57:28,452 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-20 00:57:29,043 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-20 00:57:29,545 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-20 00:57:29,723 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:29,900 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-20 00:57:30,319 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-07-20 00:57:31,136 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-20 00:57:31,140 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-07-20 00:57:31,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-07-20 00:57:31,140 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-20 00:57:31,141 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-07-20 00:57:31,142 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-07-20 00:57:31,143 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2020-07-20 00:57:31,143 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2020-07-20 00:57:31,143 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-20 00:57:31,143 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2020-07-20 00:57:31,143 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-20 00:57:31,143 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:57:31,144 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,144 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:57:31,144 INFO L268 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2020-07-20 00:57:31,144 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2020-07-20 00:57:31,144 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-20 00:57:31,145 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,145 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2020-07-20 00:57:31,145 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,145 INFO L264 CegarLoopResult]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,145 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2020-07-20 00:57:31,145 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 00:57:31,146 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-20 00:57:31,147 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 00:57:31,148 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-20 00:57:31,148 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 00:57:31,148 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2020-07-20 00:57:31,148 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2020-07-20 00:57:31,148 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2020-07-20 00:57:31,148 INFO L268 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2020-07-20 00:57:31,149 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-07-20 00:57:31,150 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-07-20 00:57:31,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-07-20 00:57:31,151 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-07-20 00:57:31,151 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-07-20 00:57:31,151 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,151 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2020-07-20 00:57:31,151 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,151 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2020-07-20 00:57:31,152 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2020-07-20 00:57:31,152 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-20 00:57:31,152 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 00:57:31,152 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2020-07-20 00:57:31,152 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2020-07-20 00:57:31,152 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 00:57:31,152 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2020-07-20 00:57:31,152 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2020-07-20 00:57:31,153 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2020-07-20 00:57:31,153 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-20 00:57:31,153 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2020-07-20 00:57:31,153 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2020-07-20 00:57:31,153 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-07-20 00:57:31,153 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-20 00:57:31,153 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~1)) .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-20 00:57:31,154 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-07-20 00:57:31,154 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-07-20 00:57:31,154 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-20 00:57:31,154 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-07-20 00:57:31,154 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-20 00:57:31,154 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-07-20 00:57:31,154 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-20 00:57:31,155 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-07-20 00:57:31,155 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-07-20 00:57:31,155 INFO L264 CegarLoopResult]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:57:31,155 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 00:57:31,155 INFO L268 CegarLoopResult]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2020-07-20 00:57:31,155 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-07-20 00:57:31,155 INFO L264 CegarLoopResult]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse2) (and .cse8 .cse0 .cse1 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse1 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (not .cse3))) [2020-07-20 00:57:31,156 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-07-20 00:57:31,156 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-07-20 00:57:31,156 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse5 .cse3) (and (= 0 ~methAndRunningLastTime~0) .cse1 .cse5 .cse4) (not (= 1 ~systemActive~0)))) [2020-07-20 00:57:31,156 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-20 00:57:31,156 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-07-20 00:57:31,156 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and .cse5 .cse3 .cse0 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 .cse1 .cse4) (not (= 1 ~systemActive~0)))) [2020-07-20 00:57:31,156 INFO L264 CegarLoopResult]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and .cse5 .cse3 .cse0 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 .cse1 .cse4) (not (= 1 ~systemActive~0)))) [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-07-20 00:57:31,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-07-20 00:57:31,158 INFO L264 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-20 00:57:31,158 INFO L268 CegarLoopResult]: For program point L319(lines 319 325) no Hoare annotation was computed. [2020-07-20 00:57:31,158 INFO L268 CegarLoopResult]: For program point L318(lines 318 328) no Hoare annotation was computed. [2020-07-20 00:57:31,158 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-20 00:57:31,158 INFO L268 CegarLoopResult]: For program point L316-1(line 316) no Hoare annotation was computed. [2020-07-20 00:57:31,158 INFO L268 CegarLoopResult]: For program point L314(lines 314 331) no Hoare annotation was computed. [2020-07-20 00:57:31,158 INFO L268 CegarLoopResult]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2020-07-20 00:57:31,159 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-20 00:57:31,159 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-07-20 00:57:31,159 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-20 00:57:31,159 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2020-07-20 00:57:31,159 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2020-07-20 00:57:31,159 INFO L268 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-07-20 00:57:31,159 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2020-07-20 00:57:31,159 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 384 406) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-20 00:57:31,160 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-07-20 00:57:31,161 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-20 00:57:31,162 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-07-20 00:57:31,162 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2020-07-20 00:57:31,162 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 907 916) no Hoare annotation was computed. [2020-07-20 00:57:31,162 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2020-07-20 00:57:31,162 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,162 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-20 00:57:31,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,163 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2020-07-20 00:57:31,163 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2020-07-20 00:57:31,167 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-20 00:57:31,167 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2020-07-20 00:57:31,167 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-07-20 00:57:31,167 INFO L271 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: true [2020-07-20 00:57:31,167 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-07-20 00:57:31,167 INFO L268 CegarLoopResult]: For program point L215-1(line 215) no Hoare annotation was computed. [2020-07-20 00:57:31,167 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2020-07-20 00:57:31,167 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2020-07-20 00:57:31,168 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2020-07-20 00:57:31,168 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 407 415) no Hoare annotation was computed. [2020-07-20 00:57:31,168 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2020-07-20 00:57:31,168 INFO L268 CegarLoopResult]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2020-07-20 00:57:31,169 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3))) [2020-07-20 00:57:31,169 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2020-07-20 00:57:31,170 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,170 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,170 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,170 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2020-07-20 00:57:31,170 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2020-07-20 00:57:31,170 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2020-07-20 00:57:31,170 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse4 (and .cse11 .cse13)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= 2 ~waterLevel~0) .cse12 .cse13 (<= 1 ~pumpRunning~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) .cse11 .cse12)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse6 .cse8 .cse9 .cse2 .cse10 .cse5) (or .cse8 .cse9 .cse2 .cse3 .cse10 .cse5)))) [2020-07-20 00:57:31,171 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse9 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~methAndRunningLastTime~0) .cse9 .cse10)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse3 .cse4) (or .cse8 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4)))) [2020-07-20 00:57:31,171 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-07-20 00:57:31,171 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (= 0 ~pumpRunning~0) .cse12)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse11 .cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse4) (or .cse5 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse9 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4)))) [2020-07-20 00:57:31,171 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-07-20 00:57:31,171 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-07-20 00:57:31,171 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse4))) [2020-07-20 00:57:31,171 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-07-20 00:57:31,172 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-07-20 00:57:31,173 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-07-20 00:57:31,173 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 00:57:31,173 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-20 00:57:31,173 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-07-20 00:57:31,173 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-20 00:57:31,173 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-07-20 00:57:31,174 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-07-20 00:57:31,174 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-20 00:57:31,174 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-20 00:57:31,174 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2020-07-20 00:57:31,174 INFO L268 CegarLoopResult]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2020-07-20 00:57:31,174 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-07-20 00:57:31,174 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-07-20 00:57:31,174 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,176 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 00:57:31,176 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 00:57:31,176 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:57:31,176 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4))) [2020-07-20 00:57:31,176 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-20 00:57:31,177 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-07-20 00:57:31,177 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2020-07-20 00:57:31,177 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-20 00:57:31,177 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-07-20 00:57:31,177 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-07-20 00:57:31,177 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-20 00:57:31,177 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-07-20 00:57:31,177 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse4))) [2020-07-20 00:57:31,178 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2020-07-20 00:57:31,178 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-20 00:57:31,178 INFO L268 CegarLoopResult]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2020-07-20 00:57:31,178 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2020-07-20 00:57:31,180 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2020-07-20 00:57:31,181 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2020-07-20 00:57:31,181 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2020-07-20 00:57:31,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:57:31 BoogieIcfgContainer [2020-07-20 00:57:31,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:57:31,207 INFO L168 Benchmark]: Toolchain (without parser) took 65727.18 ms. Allocated memory was 144.2 MB in the beginning and 860.9 MB in the end (delta: 716.7 MB). Free memory was 101.1 MB in the beginning and 808.5 MB in the end (delta: -707.4 MB). Peak memory consumption was 750.6 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:31,210 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 00:57:31,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.60 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 168.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:31,217 INFO L168 Benchmark]: Boogie Preprocessor took 84.03 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 164.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:31,218 INFO L168 Benchmark]: RCFGBuilder took 1052.88 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 194.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:31,218 INFO L168 Benchmark]: TraceAbstraction took 63971.95 ms. Allocated memory was 233.3 MB in the beginning and 860.9 MB in the end (delta: 627.6 MB). Free memory was 194.1 MB in the beginning and 808.5 MB in the end (delta: -614.4 MB). Peak memory consumption was 754.4 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:31,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 612.60 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 168.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.03 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 164.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1052.88 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 194.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63971.95 ms. Allocated memory was 233.3 MB in the beginning and 860.9 MB in the end (delta: 627.6 MB). Free memory was 194.1 MB in the beginning and 808.5 MB in the end (delta: -614.4 MB). Peak memory consumption was 754.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || (((0 == splverifierCounter && 2 <= waterLevel) && 1 <= methaneLevelCritical) && 1 <= pumpRunning)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || (((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 29.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1543 SDtfs, 2819 SDslu, 1792 SDs, 0 SdLazy, 5939 SolverSat, 1805 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 856 GetRequests, 662 SyntacticMatches, 4 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1071occurred 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: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 853 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1837 PreInvPairs, 1930 NumberOfFragments, 2778 HoareAnnotationTreeSize, 1837 FomulaSimplifications, 275444470 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 3212191 FormulaSimplificationTreeSizeReductionInter, 22.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1354 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1340 ConstructedInterpolants, 0 QuantifiedInterpolants, 451298 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1806 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 180/190 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...