/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:24,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:24,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:24,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:24,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:24,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:24,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:24,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:24,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:24,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:24,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:24,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:24,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:24,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:24,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:24,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:24,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:24,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:24,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:24,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:24,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:24,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:24,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:24,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:24,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:24,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:24,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:24,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:24,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:24,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:24,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:24,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:24,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:24,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:24,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:24,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:24,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:24,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:24,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:24,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:24,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:24,214 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 [2020-07-21 12:51:24,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:24,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:24,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:24,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:24,230 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:24,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:24,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:24,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:24,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:24,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:24,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:24,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:24,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:24,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:24,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:24,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:24,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:24,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:24,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:24,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:24,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:24,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:24,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:24,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:24,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:24,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:24,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:24,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:24,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:24,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS 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 -> 2 [2020-07-21 12:51:24,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:24,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:24,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:24,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:24,534 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:24,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-21 12:51:24,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b38417c/65bc18cd003a4353b4b338e81ee732ed/FLAGb8b34172b [2020-07-21 12:51:25,082 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:25,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-21 12:51:25,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b38417c/65bc18cd003a4353b4b338e81ee732ed/FLAGb8b34172b [2020-07-21 12:51:25,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b38417c/65bc18cd003a4353b4b338e81ee732ed [2020-07-21 12:51:25,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:25,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:25,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:25,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:25,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:25,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7671b919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25, skipping insertion in model container [2020-07-21 12:51:25,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:25,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:25,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:25,948 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:26,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:26,108 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:26,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26 WrapperNode [2020-07-21 12:51:26,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:26,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:26,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:26,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:26,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:26,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:26,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:26,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:26,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (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 [2020-07-21 12:51:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:51:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:51:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:51:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:51:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:51:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:27,453 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:27,454 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:27,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:27 BoogieIcfgContainer [2020-07-21 12:51:27,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:27,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:27,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:27,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:27,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:25" (1/3) ... [2020-07-21 12:51:27,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3883639f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:27, skipping insertion in model container [2020-07-21 12:51:27,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (2/3) ... [2020-07-21 12:51:27,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3883639f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:27, skipping insertion in model container [2020-07-21 12:51:27,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:27" (3/3) ... [2020-07-21 12:51:27,474 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-07-21 12:51:27,485 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:27,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:27,511 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:27,546 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:27,546 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:27,547 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:27,547 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:27,547 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:27,547 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:27,548 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:27,548 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-21 12:51:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:27,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:27,581 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] [2020-07-21 12:51:27,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:27,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:27,588 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2020-07-21 12:51:27,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:27,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594338007] [2020-07-21 12:51:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,073 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:28,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:28,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:28,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:28,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:28,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594338007] [2020-07-21 12:51:28,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:28,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:28,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713576698] [2020-07-21 12:51:28,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:28,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:28,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:28,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:28,164 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-21 12:51:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:28,214 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2020-07-21 12:51:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:28,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:28,228 INFO L225 Difference]: With dead ends: 264 [2020-07-21 12:51:28,229 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 12:51:28,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 12:51:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-21 12:51:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-21 12:51:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-07-21 12:51:28,293 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-07-21 12:51:28,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:28,294 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-07-21 12:51:28,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-07-21 12:51:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:28,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:28,299 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] [2020-07-21 12:51:28,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,512 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:28,512 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2020-07-21 12:51:28,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:28,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285054502] [2020-07-21 12:51:28,513 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,903 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:28,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:28,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:28,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:28,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:28,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285054502] [2020-07-21 12:51:28,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:28,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:28,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012355268] [2020-07-21 12:51:28,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:28,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:28,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:28,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:28,973 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2020-07-21 12:51:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:29,010 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2020-07-21 12:51:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:29,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:29,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:29,016 INFO L225 Difference]: With dead ends: 207 [2020-07-21 12:51:29,016 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 12:51:29,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:29,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 12:51:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-21 12:51:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-21 12:51:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-07-21 12:51:29,047 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-07-21 12:51:29,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:29,051 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-07-21 12:51:29,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-07-21 12:51:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-21 12:51:29,058 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:29,059 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] [2020-07-21 12:51:29,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,273 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:29,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:29,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2020-07-21 12:51:29,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:29,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118752130] [2020-07-21 12:51:29,276 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,542 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:29,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:29,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:51:29,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:29,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:29,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118752130] [2020-07-21 12:51:29,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:29,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:29,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087784196] [2020-07-21 12:51:29,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:29,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:29,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:29,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:29,584 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2020-07-21 12:51:29,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:29,610 INFO L93 Difference]: Finished difference Result 317 states and 385 transitions. [2020-07-21 12:51:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:29,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-21 12:51:29,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:29,614 INFO L225 Difference]: With dead ends: 317 [2020-07-21 12:51:29,614 INFO L226 Difference]: Without dead ends: 220 [2020-07-21 12:51:29,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:29,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-21 12:51:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-07-21 12:51:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-21 12:51:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2020-07-21 12:51:29,641 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 56 [2020-07-21 12:51:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:29,641 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2020-07-21 12:51:29,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2020-07-21 12:51:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 12:51:29,644 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:29,644 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] [2020-07-21 12:51:29,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,859 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:29,860 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2020-07-21 12:51:29,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:29,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510123391] [2020-07-21 12:51:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,137 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:30,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:30,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:30,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:30,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:30,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510123391] [2020-07-21 12:51:30,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:30,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:30,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142010976] [2020-07-21 12:51:30,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:30,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:30,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:30,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:30,210 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand 6 states. [2020-07-21 12:51:30,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:30,480 INFO L93 Difference]: Finished difference Result 514 states and 653 transitions. [2020-07-21 12:51:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:30,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 12:51:30,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:30,486 INFO L225 Difference]: With dead ends: 514 [2020-07-21 12:51:30,486 INFO L226 Difference]: Without dead ends: 326 [2020-07-21 12:51:30,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:30,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-21 12:51:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 316. [2020-07-21 12:51:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-07-21 12:51:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 385 transitions. [2020-07-21 12:51:30,522 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 385 transitions. Word has length 62 [2020-07-21 12:51:30,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:30,522 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 385 transitions. [2020-07-21 12:51:30,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 385 transitions. [2020-07-21 12:51:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 12:51:30,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:30,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:30,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,738 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:30,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:30,739 INFO L82 PathProgramCache]: Analyzing trace with hash 138966558, now seen corresponding path program 1 times [2020-07-21 12:51:30,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:30,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431663224] [2020-07-21 12:51:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,998 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:30,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:31,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:51:31,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:31,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:31,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431663224] [2020-07-21 12:51:31,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:31,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:31,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744036761] [2020-07-21 12:51:31,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:31,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:31,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:31,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:31,070 INFO L87 Difference]: Start difference. First operand 316 states and 385 transitions. Second operand 3 states. [2020-07-21 12:51:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:31,126 INFO L93 Difference]: Finished difference Result 884 states and 1161 transitions. [2020-07-21 12:51:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:31,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-21 12:51:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:31,133 INFO L225 Difference]: With dead ends: 884 [2020-07-21 12:51:31,133 INFO L226 Difference]: Without dead ends: 596 [2020-07-21 12:51:31,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:31,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-21 12:51:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 593. [2020-07-21 12:51:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-07-21 12:51:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 760 transitions. [2020-07-21 12:51:31,221 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 760 transitions. Word has length 84 [2020-07-21 12:51:31,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:31,223 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 760 transitions. [2020-07-21 12:51:31,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 760 transitions. [2020-07-21 12:51:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 12:51:31,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:31,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:31,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,444 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:31,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1586514339, now seen corresponding path program 1 times [2020-07-21 12:51:31,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:31,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228832585] [2020-07-21 12:51:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,683 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:31,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:31,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:31,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:31,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:31,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228832585] [2020-07-21 12:51:31,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:31,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:31,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544013668] [2020-07-21 12:51:31,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:31,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:31,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:31,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:31,729 INFO L87 Difference]: Start difference. First operand 593 states and 760 transitions. Second operand 6 states. [2020-07-21 12:51:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:31,794 INFO L93 Difference]: Finished difference Result 1178 states and 1554 transitions. [2020-07-21 12:51:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:31,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-21 12:51:31,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:31,801 INFO L225 Difference]: With dead ends: 1178 [2020-07-21 12:51:31,802 INFO L226 Difference]: Without dead ends: 613 [2020-07-21 12:51:31,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-07-21 12:51:31,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2020-07-21 12:51:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-21 12:51:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 782 transitions. [2020-07-21 12:51:31,870 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 782 transitions. Word has length 84 [2020-07-21 12:51:31,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:31,871 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 782 transitions. [2020-07-21 12:51:31,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 782 transitions. [2020-07-21 12:51:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 12:51:31,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:31,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:32,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,096 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:32,097 INFO L82 PathProgramCache]: Analyzing trace with hash -884914465, now seen corresponding path program 1 times [2020-07-21 12:51:32,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:32,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219102218] [2020-07-21 12:51:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,413 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:32,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:32,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:51:32,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:32,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:32,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219102218] [2020-07-21 12:51:32,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:32,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:32,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885495845] [2020-07-21 12:51:32,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:32,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:32,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:32,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:32,453 INFO L87 Difference]: Start difference. First operand 613 states and 782 transitions. Second operand 5 states. [2020-07-21 12:51:32,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:32,495 INFO L93 Difference]: Finished difference Result 1180 states and 1550 transitions. [2020-07-21 12:51:32,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:51:32,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-07-21 12:51:32,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:32,503 INFO L225 Difference]: With dead ends: 1180 [2020-07-21 12:51:32,503 INFO L226 Difference]: Without dead ends: 595 [2020-07-21 12:51:32,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:32,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-07-21 12:51:32,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2020-07-21 12:51:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-07-21 12:51:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 742 transitions. [2020-07-21 12:51:32,534 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 742 transitions. Word has length 84 [2020-07-21 12:51:32,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:32,534 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 742 transitions. [2020-07-21 12:51:32,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 742 transitions. [2020-07-21 12:51:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 12:51:32,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:32,537 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] [2020-07-21 12:51:32,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,751 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash 199418042, now seen corresponding path program 1 times [2020-07-21 12:51:32,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:32,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746720156] [2020-07-21 12:51:32,753 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,981 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:32,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:32,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:51:32,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:33,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:33,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746720156] [2020-07-21 12:51:33,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:33,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:33,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182475523] [2020-07-21 12:51:33,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:33,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:33,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:33,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:33,035 INFO L87 Difference]: Start difference. First operand 595 states and 742 transitions. Second operand 6 states. [2020-07-21 12:51:33,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:33,248 INFO L93 Difference]: Finished difference Result 1690 states and 2168 transitions. [2020-07-21 12:51:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:33,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-21 12:51:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:33,255 INFO L225 Difference]: With dead ends: 1690 [2020-07-21 12:51:33,256 INFO L226 Difference]: Without dead ends: 1123 [2020-07-21 12:51:33,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:33,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-07-21 12:51:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1107. [2020-07-21 12:51:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-07-21 12:51:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1386 transitions. [2020-07-21 12:51:33,314 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1386 transitions. Word has length 88 [2020-07-21 12:51:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:33,315 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1386 transitions. [2020-07-21 12:51:33,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1386 transitions. [2020-07-21 12:51:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 12:51:33,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:33,318 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] [2020-07-21 12:51:33,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:33,533 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:33,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:33,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1814435734, now seen corresponding path program 1 times [2020-07-21 12:51:33,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:33,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528506282] [2020-07-21 12:51:33,535 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,099 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:34,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:34,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:51:34,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:34,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:34,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528506282] [2020-07-21 12:51:34,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:34,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:34,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576892204] [2020-07-21 12:51:34,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:34,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:34,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:34,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:34,141 INFO L87 Difference]: Start difference. First operand 1107 states and 1386 transitions. Second operand 3 states. [2020-07-21 12:51:34,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:34,223 INFO L93 Difference]: Finished difference Result 1950 states and 2479 transitions. [2020-07-21 12:51:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:34,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-21 12:51:34,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:34,235 INFO L225 Difference]: With dead ends: 1950 [2020-07-21 12:51:34,235 INFO L226 Difference]: Without dead ends: 1947 [2020-07-21 12:51:34,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:34,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2020-07-21 12:51:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1851. [2020-07-21 12:51:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1851 states. [2020-07-21 12:51:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2365 transitions. [2020-07-21 12:51:34,348 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2365 transitions. Word has length 92 [2020-07-21 12:51:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:34,351 INFO L479 AbstractCegarLoop]: Abstraction has 1851 states and 2365 transitions. [2020-07-21 12:51:34,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2365 transitions. [2020-07-21 12:51:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 12:51:34,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:34,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:34,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,573 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:34,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:34,574 INFO L82 PathProgramCache]: Analyzing trace with hash -253947953, now seen corresponding path program 1 times [2020-07-21 12:51:34,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:34,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414712660] [2020-07-21 12:51:34,575 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,893 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:34,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:34,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:51:34,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 12:51:34,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:34,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414712660] [2020-07-21 12:51:34,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:34,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:34,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167032227] [2020-07-21 12:51:34,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:34,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:34,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:34,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:34,960 INFO L87 Difference]: Start difference. First operand 1851 states and 2365 transitions. Second operand 3 states. [2020-07-21 12:51:35,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:35,071 INFO L93 Difference]: Finished difference Result 2046 states and 2615 transitions. [2020-07-21 12:51:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:35,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-21 12:51:35,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:35,077 INFO L225 Difference]: With dead ends: 2046 [2020-07-21 12:51:35,077 INFO L226 Difference]: Without dead ends: 897 [2020-07-21 12:51:35,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:35,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-07-21 12:51:35,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 750. [2020-07-21 12:51:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-07-21 12:51:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 922 transitions. [2020-07-21 12:51:35,122 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 922 transitions. Word has length 132 [2020-07-21 12:51:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:35,123 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 922 transitions. [2020-07-21 12:51:35,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 922 transitions. [2020-07-21 12:51:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 12:51:35,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:35,127 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] [2020-07-21 12:51:35,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:35,343 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:35,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:35,344 INFO L82 PathProgramCache]: Analyzing trace with hash -374585462, now seen corresponding path program 1 times [2020-07-21 12:51:35,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:35,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316457463] [2020-07-21 12:51:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:35,628 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:35,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:35,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:51:35,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 12:51:35,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:35,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316457463] [2020-07-21 12:51:35,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:35,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:51:35,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584593511] [2020-07-21 12:51:35,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:51:35,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:35,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:51:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:35,721 INFO L87 Difference]: Start difference. First operand 750 states and 922 transitions. Second operand 8 states. [2020-07-21 12:51:35,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:35,992 INFO L93 Difference]: Finished difference Result 1377 states and 1705 transitions. [2020-07-21 12:51:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:51:35,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-07-21 12:51:35,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:35,997 INFO L225 Difference]: With dead ends: 1377 [2020-07-21 12:51:35,997 INFO L226 Difference]: Without dead ends: 655 [2020-07-21 12:51:36,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:36,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-07-21 12:51:36,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 651. [2020-07-21 12:51:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-07-21 12:51:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 770 transitions. [2020-07-21 12:51:36,031 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 770 transitions. Word has length 150 [2020-07-21 12:51:36,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:36,032 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 770 transitions. [2020-07-21 12:51:36,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:51:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 770 transitions. [2020-07-21 12:51:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 12:51:36,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:36,036 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] [2020-07-21 12:51:36,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:36,249 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:36,249 INFO L82 PathProgramCache]: Analyzing trace with hash -936503095, now seen corresponding path program 1 times [2020-07-21 12:51:36,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:36,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135843070] [2020-07-21 12:51:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:36,707 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:36,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:36,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 12:51:36,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:36,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:36,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135843070] [2020-07-21 12:51:36,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:36,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:36,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116122649] [2020-07-21 12:51:36,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:36,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:36,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:36,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:36,752 INFO L87 Difference]: Start difference. First operand 651 states and 770 transitions. Second operand 3 states. [2020-07-21 12:51:36,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:36,836 INFO L93 Difference]: Finished difference Result 1194 states and 1434 transitions. [2020-07-21 12:51:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:36,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-21 12:51:36,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:36,839 INFO L225 Difference]: With dead ends: 1194 [2020-07-21 12:51:36,839 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:51:36,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:36,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:51:36,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:51:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:51:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:51:36,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-07-21 12:51:36,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:36,845 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:51:36,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:51:36,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:51:37,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:37,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:38,236 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2020-07-21 12:51:38,438 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2020-07-21 12:51:39,013 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2020-07-21 12:51:39,275 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 30 [2020-07-21 12:51:39,587 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-21 12:51:39,806 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2020-07-21 12:51:40,113 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2020-07-21 12:51:40,314 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2020-07-21 12:51:40,501 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-21 12:51:40,777 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-07-21 12:51:41,314 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2020-07-21 12:51:41,578 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2020-07-21 12:51:42,355 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-07-21 12:51:42,360 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-07-21 12:51:42,360 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2020-07-21 12:51:42,360 INFO L268 CegarLoopResult]: For program point L692(lines 669 693) no Hoare annotation was computed. [2020-07-21 12:51:42,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2020-07-21 12:51:42,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2020-07-21 12:51:42,361 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-07-21 12:51:42,361 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2020-07-21 12:51:42,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2020-07-21 12:51:42,361 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point L753(lines 726 754) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2020-07-21 12:51:42,362 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-07-21 12:51:42,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2020-07-21 12:51:42,363 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-21 12:51:42,363 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2020-07-21 12:51:42,363 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2020-07-21 12:51:42,363 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2020-07-21 12:51:42,363 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2020-07-21 12:51:42,363 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2020-07-21 12:51:42,364 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,364 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-07-21 12:51:42,364 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-07-21 12:51:42,364 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,364 INFO L264 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,364 INFO L268 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-07-21 12:51:42,365 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-07-21 12:51:42,365 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-21 12:51:42,365 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,365 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,365 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,365 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-21 12:51:42,366 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 12:51:42,367 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-21 12:51:42,368 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-21 12:51:42,368 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2020-07-21 12:51:42,368 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-21 12:51:42,368 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2020-07-21 12:51:42,368 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-21 12:51:42,368 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-07-21 12:51:42,368 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2020-07-21 12:51:42,369 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2020-07-21 12:51:42,369 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2020-07-21 12:51:42,369 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-21 12:51:42,369 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-21 12:51:42,369 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2020-07-21 12:51:42,369 INFO L268 CegarLoopResult]: For program point L494(lines 494 502) no Hoare annotation was computed. [2020-07-21 12:51:42,369 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2020-07-21 12:51:42,370 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point L926(lines 926 946) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point L932(lines 932 939) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2020-07-21 12:51:42,371 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,372 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2020-07-21 12:51:42,372 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2020-07-21 12:51:42,372 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-07-21 12:51:42,372 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-07-21 12:51:42,372 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2020-07-21 12:51:42,372 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:51:42,372 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2020-07-21 12:51:42,372 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2020-07-21 12:51:42,373 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-21 12:51:42,373 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-21 12:51:42,373 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-21 12:51:42,373 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-21 12:51:42,373 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5))) [2020-07-21 12:51:42,373 INFO L268 CegarLoopResult]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2020-07-21 12:51:42,374 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse2 .cse4) (or .cse0 .cse3 .cse4 (<= 1 ~pumpRunning~0)))) [2020-07-21 12:51:42,374 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2020-07-21 12:51:42,374 INFO L264 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse3) .cse4) (or .cse0 .cse2 .cse5) (or .cse0 .cse4 .cse5 .cse3))) [2020-07-21 12:51:42,374 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse4 .cse6 .cse5) (or .cse0 .cse2 .cse6 .cse3))) [2020-07-21 12:51:42,374 INFO L268 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-07-21 12:51:42,375 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse2 .cse5) (or .cse0 .cse3 .cse5 .cse4))) [2020-07-21 12:51:42,375 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-21 12:51:42,375 INFO L268 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-07-21 12:51:42,375 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2020-07-21 12:51:42,375 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2020-07-21 12:51:42,375 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,375 INFO L264 CegarLoopResult]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse0 .cse2 .cse4 .cse6) (and .cse3 .cse2 .cse4 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse1 .cse2 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:42,376 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse0 .cse2 .cse4 .cse6) (and .cse3 .cse2 .cse4 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse1 .cse2 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:42,376 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-07-21 12:51:42,376 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-07-21 12:51:42,376 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2020-07-21 12:51:42,376 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-21 12:51:42,376 INFO L264 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:42,376 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0)))) [2020-07-21 12:51:42,376 INFO L268 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L264 CegarLoopResult]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse4 .cse5) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse3 .cse4 .cse5) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse3 .cse2 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 .cse1 .cse2 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-07-21 12:51:42,377 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2020-07-21 12:51:42,378 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2020-07-21 12:51:42,378 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-07-21 12:51:42,378 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-07-21 12:51:42,378 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 12:51:42,378 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or (not (= 0 ~systemActive~0)) .cse2) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse4))) [2020-07-21 12:51:42,378 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-07-21 12:51:42,378 INFO L268 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2020-07-21 12:51:42,378 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse2 .cse0 .cse1) (or .cse2 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse3))) [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 12:51:42,379 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L851(lines 851 862) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L814(lines 814 818) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L833(lines 811 834) no Hoare annotation was computed. [2020-07-21 12:51:42,380 INFO L268 CegarLoopResult]: For program point L792(lines 792 808) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point L813(lines 812 832) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point L809(lines 809 850) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2020-07-21 12:51:42,381 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:51:42,381 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 12:51:42,382 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse6 .cse5 .cse7) (or .cse0 .cse4 .cse6 .cse3 .cse7))) [2020-07-21 12:51:42,383 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 12:51:42,383 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,383 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,383 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,383 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 12:51:42,383 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 12:51:42,383 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 12:51:42,383 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse5 .cse6 .cse4) (or .cse1 .cse7 .cse5 .cse6 (and .cse8 .cse9)) (or .cse0 .cse1 .cse7 .cse2 .cse5 .cse4) (or .cse1 .cse7 .cse2 .cse10) (or (not (= 0 ~systemActive~0)) .cse6) (or .cse1 .cse5 .cse6 .cse3 .cse9) (or .cse1 .cse2 .cse3 .cse10) (or .cse1 .cse8 .cse7 .cse2 .cse5))) [2020-07-21 12:51:42,383 INFO L264 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse13 (= 0 ~pumpRunning~0)) (.cse17 (= 0 ~methaneLevelCritical~0)) (.cse16 (<= 1 ~systemActive~0)) (.cse14 (<= 1 ~pumpRunning~0))) (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse10 (and .cse17 .cse16 .cse14)) (.cse11 (and .cse17 .cse13 .cse16)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not .cse17)) (.cse7 (and .cse13 .cse4)) (.cse1 (not .cse16)) (.cse5 (not .cse15)) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (and .cse15 .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6 .cse8 .cse7) (or .cse0 .cse9 .cse8 .cse4) (or .cse1 .cse10 .cse2 .cse11 .cse3) (or .cse1 .cse5 .cse2 .cse12) (or .cse9 .cse8 .cse13) (or .cse1 .cse10 .cse11 .cse6 .cse8 .cse3) (or .cse0 .cse1 .cse6 .cse8 .cse3 .cse7) (or .cse1 .cse5 .cse6 .cse8 .cse12 (and (= 0 ~methAndRunningLastTime~0) .cse14))))) [2020-07-21 12:51:42,384 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse6 .cse4) (or .cse1 .cse5 .cse2 .cse7) (or .cse1 .cse5 .cse6 .cse8) (or (not (= 0 ~systemActive~0)) .cse8) (or .cse1 .cse6 .cse8 .cse3) (or .cse1 .cse2 .cse3 .cse7) (or .cse1 (= 0 ~methAndRunningLastTime~0) .cse5 .cse2 .cse6))) [2020-07-21 12:51:42,384 INFO L268 CegarLoopResult]: For program point L372(lines 371 390) no Hoare annotation was computed. [2020-07-21 12:51:42,384 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse11 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (and .cse12 .cse11)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse5 .cse6 .cse4) (or .cse0 .cse8 .cse6 .cse4) (or .cse1 .cse7 .cse5 .cse6 .cse9) (or .cse0 .cse1 .cse7 .cse2 .cse5 .cse4) (or .cse1 .cse7 .cse2 .cse10) (or .cse1 .cse5 .cse6 .cse3 .cse9) (or .cse1 .cse2 .cse3 .cse10) (or .cse8 .cse6 .cse11) (or .cse12 .cse8 .cse5 .cse6) (or .cse1 .cse12 .cse7 .cse2 .cse5)))) [2020-07-21 12:51:42,384 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2020-07-21 12:51:42,384 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2020-07-21 12:51:42,384 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-21 12:51:42,384 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-21 12:51:42,384 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-21 12:51:42,384 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-21 12:51:42,385 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 12:51:42,385 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-21 12:51:42,385 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-21 12:51:42,385 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-21 12:51:42,385 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-21 12:51:42,385 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-21 12:51:42,385 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 12:51:42,385 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 12:51:42,385 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 12:51:42,385 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-21 12:51:42,385 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-21 12:51:42,386 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,386 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:51:42,386 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:42,386 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:42,386 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (<= 1 ~pumpRunning~0)))) [2020-07-21 12:51:42,386 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-21 12:51:42,386 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2020-07-21 12:51:42,386 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse5) (or .cse1 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse3 .cse5 .cse6))) [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse2 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse4 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:51:42,387 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2020-07-21 12:51:42,388 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2020-07-21 12:51:42,388 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:51:42,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:51:42 BoogieIcfgContainer [2020-07-21 12:51:42,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:51:42,409 INFO L168 Benchmark]: Toolchain (without parser) took 16964.85 ms. Allocated memory was 144.7 MB in the beginning and 414.7 MB in the end (delta: 270.0 MB). Free memory was 101.6 MB in the beginning and 235.0 MB in the end (delta: -133.4 MB). Peak memory consumption was 286.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:42,410 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:51:42,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.32 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 170.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:42,411 INFO L168 Benchmark]: Boogie Preprocessor took 110.18 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:42,412 INFO L168 Benchmark]: RCFGBuilder took 1239.77 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 196.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:42,413 INFO L168 Benchmark]: TraceAbstraction took 14941.78 ms. Allocated memory was 234.4 MB in the beginning and 414.7 MB in the end (delta: 180.4 MB). Free memory was 196.3 MB in the beginning and 235.0 MB in the end (delta: -38.7 MB). Peak memory consumption was 291.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:42,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.32 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 170.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.18 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1239.77 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 196.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14941.78 ms. Allocated memory was 234.4 MB in the beginning and 414.7 MB in the end (delta: 180.4 MB). Free memory was 196.3 MB in the beginning and 235.0 MB in the end (delta: -38.7 MB). Peak memory consumption was 291.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2027 SDtfs, 579 SDslu, 3139 SDs, 0 SdLazy, 409 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1078 GetRequests, 1044 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1851occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2374 PreInvPairs, 2490 NumberOfFragments, 2799 HoareAnnotationTreeSize, 2374 FomulaSimplifications, 2704 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 8391 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1085 NumberOfCodeBlocks, 1085 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 192733 SizeOfPredicates, 28 NumberOfNonLiveVariables, 9283 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 121/121 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...