/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:06:39,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:06:39,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:06:39,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:06:39,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:06:39,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:06:39,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:06:39,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:06:39,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:06:39,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:06:39,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:06:39,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:06:39,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:06:39,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:06:39,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:06:39,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:06:39,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:06:39,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:06:39,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:06:39,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:06:39,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:06:39,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:06:39,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:06:39,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:06:39,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:06:39,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:06:39,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:06:39,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:06:39,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:06:39,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:06:39,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:06:39,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:06:39,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:06:39,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:06:39,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:06:39,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:06:39,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:06:39,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:06:39,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:06:39,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:06:39,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:06:39,214 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 [2020-07-20 01:06:39,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:06:39,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:06:39,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:06:39,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:06:39,230 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:06:39,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:06:39,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:06:39,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:06:39,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:06:39,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:06:39,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:06:39,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:06:39,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:06:39,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:06:39,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:06:39,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:06:39,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:06:39,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:06:39,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:06:39,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:06:39,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:06:39,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:06:39,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:06:39,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:06:39,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:06:39,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:06:39,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:06:39,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:06:39,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:06:39,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:06:39,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:06:39,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:06:39,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:06:39,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:06:39,550 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:06:39,551 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-20 01:06:39,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb05a50c/858bcc2377e34434ac7009cf10ff7b98/FLAG9762186d7 [2020-07-20 01:06:40,211 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:06:40,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-20 01:06:40,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb05a50c/858bcc2377e34434ac7009cf10ff7b98/FLAG9762186d7 [2020-07-20 01:06:40,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb05a50c/858bcc2377e34434ac7009cf10ff7b98 [2020-07-20 01:06:40,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:06:40,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:06:40,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:06:40,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:06:40,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:06:40,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:40" (1/1) ... [2020-07-20 01:06:40,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79052151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:40, skipping insertion in model container [2020-07-20 01:06:40,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:40" (1/1) ... [2020-07-20 01:06:40,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:06:40,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:06:41,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:06:41,035 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:06:41,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:06:41,141 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:06:41,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41 WrapperNode [2020-07-20 01:06:41,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:06:41,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:06:41,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:06:41,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:06:41,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... [2020-07-20 01:06:41,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:06:41,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:06:41,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:06:41,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:06:41,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:06:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:06:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:06:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:06:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:06:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:06:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:06:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:06:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:06:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:06:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:06:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:06:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:06:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:06:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:06:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:06:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:06:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:06:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:06:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:06:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:06:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:06:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:06:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:06:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:06:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:06:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:06:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:06:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:06:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:06:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:06:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:06:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:06:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:06:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:06:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:06:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:06:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:06:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:06:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:06:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:06:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:06:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:06:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:06:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:06:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:06:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:06:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:06:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:06:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:06:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:06:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:06:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:06:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:06:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:06:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:06:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:06:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:06:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:06:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:06:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:06:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:06:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:06:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:06:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:06:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:06:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:06:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:06:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:06:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:06:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:06:42,460 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:06:42,461 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:06:42,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:42 BoogieIcfgContainer [2020-07-20 01:06:42,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:06:42,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:06:42,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:06:42,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:06:42,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:06:40" (1/3) ... [2020-07-20 01:06:42,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7834fa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:42, skipping insertion in model container [2020-07-20 01:06:42,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:41" (2/3) ... [2020-07-20 01:06:42,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7834fa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:42, skipping insertion in model container [2020-07-20 01:06:42,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:42" (3/3) ... [2020-07-20 01:06:42,474 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-07-20 01:06:42,486 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:06:42,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:06:42,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:06:42,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:06:42,536 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:06:42,536 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:06:42,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:06:42,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:06:42,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:06:42,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:06:42,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:06:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-07-20 01:06:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:06:42,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:42,573 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:42,573 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash -878720759, now seen corresponding path program 1 times [2020-07-20 01:06:42,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:42,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399404428] [2020-07-20 01:06:42,591 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:06:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,291 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:43,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399404428] [2020-07-20 01:06:43,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:43,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:06:43,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936311815] [2020-07-20 01:06:43,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:06:43,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:43,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:06:43,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:06:43,425 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2020-07-20 01:06:44,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:44,575 INFO L93 Difference]: Finished difference Result 318 states and 410 transitions. [2020-07-20 01:06:44,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:06:44,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:06:44,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:44,593 INFO L225 Difference]: With dead ends: 318 [2020-07-20 01:06:44,593 INFO L226 Difference]: Without dead ends: 175 [2020-07-20 01:06:44,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:06:44,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-20 01:06:44,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 144. [2020-07-20 01:06:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 01:06:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-07-20 01:06:44,706 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2020-07-20 01:06:44,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:44,707 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-07-20 01:06:44,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:06:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-07-20 01:06:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:06:44,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:44,711 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:44,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:06:44,712 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:44,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:44,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1980606616, now seen corresponding path program 1 times [2020-07-20 01:06:44,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:44,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238135023] [2020-07-20 01:06:44,713 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:06:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,074 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:45,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238135023] [2020-07-20 01:06:45,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:45,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:06:45,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150935479] [2020-07-20 01:06:45,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:06:45,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:45,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:06:45,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:06:45,164 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 5 states. [2020-07-20 01:06:45,636 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:46,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:46,478 INFO L93 Difference]: Finished difference Result 257 states and 314 transitions. [2020-07-20 01:06:46,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:06:46,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:06:46,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:46,491 INFO L225 Difference]: With dead ends: 257 [2020-07-20 01:06:46,491 INFO L226 Difference]: Without dead ends: 165 [2020-07-20 01:06:46,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:06:46,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-20 01:06:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2020-07-20 01:06:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-20 01:06:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2020-07-20 01:06:46,535 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 60 [2020-07-20 01:06:46,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:46,536 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2020-07-20 01:06:46,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:06:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2020-07-20 01:06:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 01:06:46,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:46,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:46,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:06:46,539 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:46,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:46,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1839911150, now seen corresponding path program 1 times [2020-07-20 01:06:46,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:46,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331154801] [2020-07-20 01:06:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:06:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,859 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:46,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331154801] [2020-07-20 01:06:46,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:46,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:46,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373689784] [2020-07-20 01:06:46,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:46,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:46,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:46,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:46,989 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 9 states. [2020-07-20 01:06:47,456 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:47,762 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:48,001 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:48,262 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:49,119 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:50,814 INFO L93 Difference]: Finished difference Result 450 states and 558 transitions. [2020-07-20 01:06:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:06:50,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-20 01:06:50,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:50,824 INFO L225 Difference]: With dead ends: 450 [2020-07-20 01:06:50,825 INFO L226 Difference]: Without dead ends: 343 [2020-07-20 01:06:50,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:06:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-20 01:06:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 290. [2020-07-20 01:06:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-20 01:06:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2020-07-20 01:06:50,948 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 64 [2020-07-20 01:06:50,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:50,948 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2020-07-20 01:06:50,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2020-07-20 01:06:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:06:50,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:50,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:50,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:06:50,952 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:50,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:50,952 INFO L82 PathProgramCache]: Analyzing trace with hash 423224560, now seen corresponding path program 1 times [2020-07-20 01:06:50,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:50,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605025748] [2020-07-20 01:06:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:06:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,300 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:06:51,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605025748] [2020-07-20 01:06:51,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:51,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:51,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521361324] [2020-07-20 01:06:51,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:51,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:51,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:51,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:51,417 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand 9 states. [2020-07-20 01:06:51,914 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:52,583 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:53,412 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:53,716 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:54,047 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:54,298 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:54,992 INFO L93 Difference]: Finished difference Result 739 states and 964 transitions. [2020-07-20 01:06:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:06:54,993 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:06:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:54,999 INFO L225 Difference]: With dead ends: 739 [2020-07-20 01:06:54,999 INFO L226 Difference]: Without dead ends: 477 [2020-07-20 01:06:55,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:06:55,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-07-20 01:06:55,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 413. [2020-07-20 01:06:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-07-20 01:06:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 499 transitions. [2020-07-20 01:06:55,090 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 499 transitions. Word has length 70 [2020-07-20 01:06:55,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:55,090 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 499 transitions. [2020-07-20 01:06:55,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 499 transitions. [2020-07-20 01:06:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:06:55,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:55,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:55,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:06:55,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:55,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:55,094 INFO L82 PathProgramCache]: Analyzing trace with hash -742421187, now seen corresponding path program 1 times [2020-07-20 01:06:55,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:55,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683953663] [2020-07-20 01:06:55,095 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:06:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,406 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:55,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683953663] [2020-07-20 01:06:55,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:55,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:55,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028539483] [2020-07-20 01:06:55,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:55,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:55,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:55,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:55,556 INFO L87 Difference]: Start difference. First operand 413 states and 499 transitions. Second operand 9 states. [2020-07-20 01:06:56,720 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:56,974 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:57,225 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:57,562 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:58,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:58,302 INFO L93 Difference]: Finished difference Result 884 states and 1127 transitions. [2020-07-20 01:06:58,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:06:58,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-20 01:06:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:58,309 INFO L225 Difference]: With dead ends: 884 [2020-07-20 01:06:58,309 INFO L226 Difference]: Without dead ends: 499 [2020-07-20 01:06:58,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:06:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-20 01:06:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 426. [2020-07-20 01:06:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-07-20 01:06:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 513 transitions. [2020-07-20 01:06:58,406 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 513 transitions. Word has length 92 [2020-07-20 01:06:58,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:58,406 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 513 transitions. [2020-07-20 01:06:58,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 513 transitions. [2020-07-20 01:06:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:06:58,408 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:58,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:58,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:06:58,409 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:58,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:58,409 INFO L82 PathProgramCache]: Analyzing trace with hash -40821313, now seen corresponding path program 1 times [2020-07-20 01:06:58,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:58,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259437039] [2020-07-20 01:06:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:06:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,658 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:58,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259437039] [2020-07-20 01:06:58,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:58,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:06:58,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226867826] [2020-07-20 01:06:58,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:06:58,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:58,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:06:58,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:06:58,808 INFO L87 Difference]: Start difference. First operand 426 states and 513 transitions. Second operand 11 states. [2020-07-20 01:06:59,330 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:59,609 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:59,837 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:00,695 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:00,966 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:01,203 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:02,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:02,047 INFO L93 Difference]: Finished difference Result 911 states and 1176 transitions. [2020-07-20 01:07:02,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:07:02,048 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-20 01:07:02,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:02,052 INFO L225 Difference]: With dead ends: 911 [2020-07-20 01:07:02,052 INFO L226 Difference]: Without dead ends: 513 [2020-07-20 01:07:02,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:07:02,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-07-20 01:07:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 434. [2020-07-20 01:07:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-20 01:07:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2020-07-20 01:07:02,122 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 92 [2020-07-20 01:07:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:02,123 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2020-07-20 01:07:02,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:07:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2020-07-20 01:07:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:07:02,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:02,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:02,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:07:02,125 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:02,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1684659584, now seen corresponding path program 1 times [2020-07-20 01:07:02,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:02,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088655610] [2020-07-20 01:07:02,126 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:07:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,370 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:02,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088655610] [2020-07-20 01:07:02,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:02,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:07:02,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520663306] [2020-07-20 01:07:02,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:07:02,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:02,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:07:02,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:07:02,517 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 7 states. [2020-07-20 01:07:02,873 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:03,381 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:05,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:05,284 INFO L93 Difference]: Finished difference Result 1379 states and 1792 transitions. [2020-07-20 01:07:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:07:05,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-07-20 01:07:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:05,292 INFO L225 Difference]: With dead ends: 1379 [2020-07-20 01:07:05,292 INFO L226 Difference]: Without dead ends: 973 [2020-07-20 01:07:05,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:07:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-07-20 01:07:05,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 899. [2020-07-20 01:07:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-07-20 01:07:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1095 transitions. [2020-07-20 01:07:05,484 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1095 transitions. Word has length 92 [2020-07-20 01:07:05,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:05,485 INFO L479 AbstractCegarLoop]: Abstraction has 899 states and 1095 transitions. [2020-07-20 01:07:05,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:07:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1095 transitions. [2020-07-20 01:07:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 01:07:05,489 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:05,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:05,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:07:05,490 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:05,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:05,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1838654426, now seen corresponding path program 1 times [2020-07-20 01:07:05,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:05,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099526825] [2020-07-20 01:07:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:07:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,880 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:06,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099526825] [2020-07-20 01:07:06,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:06,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:07:06,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683419986] [2020-07-20 01:07:06,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:07:06,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:06,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:07:06,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:07:06,051 INFO L87 Difference]: Start difference. First operand 899 states and 1095 transitions. Second operand 12 states. [2020-07-20 01:07:06,502 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:07,116 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:07,768 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:08,095 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:08,334 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:08,598 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:08,869 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:10,833 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:11,109 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:11,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:11,674 INFO L93 Difference]: Finished difference Result 2547 states and 3312 transitions. [2020-07-20 01:07:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:07:11,678 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-20 01:07:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:11,690 INFO L225 Difference]: With dead ends: 2547 [2020-07-20 01:07:11,690 INFO L226 Difference]: Without dead ends: 1864 [2020-07-20 01:07:11,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:07:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-07-20 01:07:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1570. [2020-07-20 01:07:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-07-20 01:07:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1900 transitions. [2020-07-20 01:07:11,954 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1900 transitions. Word has length 96 [2020-07-20 01:07:11,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:11,955 INFO L479 AbstractCegarLoop]: Abstraction has 1570 states and 1900 transitions. [2020-07-20 01:07:11,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:07:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1900 transitions. [2020-07-20 01:07:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 01:07:11,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:11,959 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:11,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:07:11,959 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:11,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1624055928, now seen corresponding path program 1 times [2020-07-20 01:07:11,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:11,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184656775] [2020-07-20 01:07:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:07:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,337 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:07:12,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184656775] [2020-07-20 01:07:12,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582789023] [2020-07-20 01:07:12,566 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@614b310c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:12,991 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@614b310c issued 4 check-sat command(s) [2020-07-20 01:07:12,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:12,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:07:13,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:07:13,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:13,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:07:13,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918382600] [2020-07-20 01:07:13,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:07:13,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:13,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:07:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:07:13,175 INFO L87 Difference]: Start difference. First operand 1570 states and 1900 transitions. Second operand 20 states. [2020-07-20 01:07:13,740 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:14,081 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:07:14,339 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:07:14,578 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:07:15,295 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:15,630 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:15,994 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:16,270 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:17,325 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:18,163 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:18,670 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:19,041 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:19,653 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:20,062 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:20,664 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:07:21,301 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:21,799 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:07:22,411 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:23,070 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:23,612 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:23,869 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:24,127 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:24,384 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:24,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:24,672 INFO L93 Difference]: Finished difference Result 3433 states and 4303 transitions. [2020-07-20 01:07:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-20 01:07:24,672 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-20 01:07:24,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:24,684 INFO L225 Difference]: With dead ends: 3433 [2020-07-20 01:07:24,684 INFO L226 Difference]: Without dead ends: 2067 [2020-07-20 01:07:24,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-20 01:07:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-07-20 01:07:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1841. [2020-07-20 01:07:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-07-20 01:07:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2184 transitions. [2020-07-20 01:07:25,075 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2184 transitions. Word has length 157 [2020-07-20 01:07:25,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:25,076 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2184 transitions. [2020-07-20 01:07:25,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:07:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2184 transitions. [2020-07-20 01:07:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-20 01:07:25,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:25,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:25,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 01:07:25,307 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:25,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:25,307 INFO L82 PathProgramCache]: Analyzing trace with hash 510843146, now seen corresponding path program 1 times [2020-07-20 01:07:25,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:25,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132110186] [2020-07-20 01:07:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:07:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,601 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-07-20 01:07:26,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132110186] [2020-07-20 01:07:26,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69527552] [2020-07-20 01:07:26,080 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@75ca467a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:26,566 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@75ca467a issued 3 check-sat command(s) [2020-07-20 01:07:26,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:26,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:07:26,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-20 01:07:26,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:26,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-20 01:07:26,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148263193] [2020-07-20 01:07:26,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-20 01:07:26,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:26,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-20 01:07:26,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:26,815 INFO L87 Difference]: Start difference. First operand 1841 states and 2184 transitions. Second operand 24 states. [2020-07-20 01:07:27,558 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:28,420 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:29,196 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:29,726 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:07:30,242 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:07:30,518 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:30,795 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:31,135 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:31,462 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:31,764 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:32,745 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:33,061 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:36,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:36,457 INFO L93 Difference]: Finished difference Result 4673 states and 6332 transitions. [2020-07-20 01:07:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-20 01:07:36,458 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 273 [2020-07-20 01:07:36,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:36,478 INFO L225 Difference]: With dead ends: 4673 [2020-07-20 01:07:36,478 INFO L226 Difference]: Without dead ends: 2879 [2020-07-20 01:07:36,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 377 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-20 01:07:36,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-07-20 01:07:36,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2024. [2020-07-20 01:07:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2020-07-20 01:07:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2389 transitions. [2020-07-20 01:07:36,967 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2389 transitions. Word has length 273 [2020-07-20 01:07:36,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:36,967 INFO L479 AbstractCegarLoop]: Abstraction has 2024 states and 2389 transitions. [2020-07-20 01:07:36,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-20 01:07:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2389 transitions. [2020-07-20 01:07:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-20 01:07:36,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:36,979 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:37,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:07:37,193 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:37,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash -716124732, now seen corresponding path program 1 times [2020-07-20 01:07:37,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:37,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287952764] [2020-07-20 01:07:37,195 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:07:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,520 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-07-20 01:07:37,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287952764] [2020-07-20 01:07:37,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375912938] [2020-07-20 01:07:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@93a308a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:38,695 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@93a308a issued 3 check-sat command(s) [2020-07-20 01:07:38,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:38,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:07:38,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 235 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-20 01:07:38,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:38,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:07:38,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518238742] [2020-07-20 01:07:38,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:07:38,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:38,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:07:38,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:07:38,993 INFO L87 Difference]: Start difference. First operand 2024 states and 2389 transitions. Second operand 22 states. [2020-07-20 01:07:40,026 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:07:40,664 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:07:41,160 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:41,648 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:42,640 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:43,786 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:44,338 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:44,843 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:45,527 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:46,563 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:46,810 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:47,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:47,722 INFO L93 Difference]: Finished difference Result 3982 states and 4851 transitions. [2020-07-20 01:07:47,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:07:47,722 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 289 [2020-07-20 01:07:47,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:47,735 INFO L225 Difference]: With dead ends: 3982 [2020-07-20 01:07:47,736 INFO L226 Difference]: Without dead ends: 2181 [2020-07-20 01:07:47,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:07:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-07-20 01:07:48,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2026. [2020-07-20 01:07:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-07-20 01:07:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2385 transitions. [2020-07-20 01:07:48,246 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2385 transitions. Word has length 289 [2020-07-20 01:07:48,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:48,247 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 2385 transitions. [2020-07-20 01:07:48,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:07:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2385 transitions. [2020-07-20 01:07:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-20 01:07:48,257 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:48,257 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:48,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 01:07:48,471 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1807502815, now seen corresponding path program 1 times [2020-07-20 01:07:48,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:48,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82240050] [2020-07-20 01:07:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:07:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,827 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-07-20 01:07:49,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82240050] [2020-07-20 01:07:49,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655032177] [2020-07-20 01:07:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1f5f8552 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:49,914 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1f5f8552 issued 3 check-sat command(s) [2020-07-20 01:07:49,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:49,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:07:49,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:50,087 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:07:50,087 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:07:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 236 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-20 01:07:50,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:50,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2020-07-20 01:07:50,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953646894] [2020-07-20 01:07:50,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-20 01:07:50,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:50,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-20 01:07:50,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:07:50,215 INFO L87 Difference]: Start difference. First operand 2026 states and 2385 transitions. Second operand 19 states. [2020-07-20 01:07:51,714 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:53,754 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:07:54,028 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:07:54,299 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:07:54,785 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 195 [2020-07-20 01:07:55,317 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-07-20 01:07:55,817 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:07:56,287 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:07:56,559 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:57,090 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:07:59,922 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-20 01:08:00,450 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-20 01:08:01,025 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-20 01:08:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:01,495 INFO L93 Difference]: Finished difference Result 4865 states and 6013 transitions. [2020-07-20 01:08:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-20 01:08:01,496 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 290 [2020-07-20 01:08:01,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:01,513 INFO L225 Difference]: With dead ends: 4865 [2020-07-20 01:08:01,513 INFO L226 Difference]: Without dead ends: 3044 [2020-07-20 01:08:01,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=504, Invalid=1848, Unknown=0, NotChecked=0, Total=2352 [2020-07-20 01:08:01,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2020-07-20 01:08:02,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2527. [2020-07-20 01:08:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2527 states. [2020-07-20 01:08:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 2964 transitions. [2020-07-20 01:08:02,100 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 2964 transitions. Word has length 290 [2020-07-20 01:08:02,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:02,101 INFO L479 AbstractCegarLoop]: Abstraction has 2527 states and 2964 transitions. [2020-07-20 01:08:02,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-20 01:08:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 2964 transitions. [2020-07-20 01:08:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-20 01:08:02,113 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:02,113 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:02,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:08:02,327 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:02,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1089840029, now seen corresponding path program 1 times [2020-07-20 01:08:02,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:02,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119743493] [2020-07-20 01:08:02,329 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@391a5436 [2020-07-20 01:08:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,600 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 75 proven. 12 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-07-20 01:08:02,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119743493] [2020-07-20 01:08:02,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571422659] [2020-07-20 01:08:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@390116a9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:08:03,593 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@390116a9 issued 3 check-sat command(s) [2020-07-20 01:08:03,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:08:03,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:08:03,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:08:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-07-20 01:08:03,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:08:03,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 14 [2020-07-20 01:08:03,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868622902] [2020-07-20 01:08:03,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:08:03,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:03,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:08:03,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:08:03,817 INFO L87 Difference]: Start difference. First operand 2527 states and 2964 transitions. Second operand 6 states. [2020-07-20 01:08:04,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:04,168 INFO L93 Difference]: Finished difference Result 3208 states and 3722 transitions. [2020-07-20 01:08:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:08:04,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2020-07-20 01:08:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:04,171 INFO L225 Difference]: With dead ends: 3208 [2020-07-20 01:08:04,171 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:08:04,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:08:04,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:08:04,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:08:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:08:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:08:04,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2020-07-20 01:08:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:04,184 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:08:04,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:08:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:08:04,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:08:04,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:08:04,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:08:04,688 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-20 01:08:04,943 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-07-20 01:08:05,320 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-07-20 01:08:07,079 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-07-20 01:08:07,191 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-07-20 01:08:07,880 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-07-20 01:08:08,062 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-07-20 01:08:08,178 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-07-20 01:08:09,694 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 305 [2020-07-20 01:08:10,085 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 275 [2020-07-20 01:08:11,638 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 306 [2020-07-20 01:08:12,118 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-07-20 01:08:14,068 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 338 [2020-07-20 01:08:15,081 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 358 [2020-07-20 01:08:15,723 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-07-20 01:08:16,589 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 26 [2020-07-20 01:08:16,771 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:08:16,930 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-20 01:08:17,336 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:08:17,542 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:08:18,074 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 27 [2020-07-20 01:08:18,269 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-20 01:08:18,696 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 22 [2020-07-20 01:08:18,935 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-20 01:08:19,411 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 19 [2020-07-20 01:08:19,631 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:19,827 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:08:20,048 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-20 01:08:21,487 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 274 DAG size of output: 35 [2020-07-20 01:08:22,124 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 1 [2020-07-20 01:08:23,083 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 25 [2020-07-20 01:08:23,807 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 28 [2020-07-20 01:08:24,177 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-07-20 01:08:24,642 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 28 [2020-07-20 01:08:25,383 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 24 [2020-07-20 01:08:25,823 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 24 [2020-07-20 01:08:27,060 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 263 DAG size of output: 25 [2020-07-20 01:08:27,667 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-20 01:08:27,837 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-20 01:08:28,280 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2020-07-20 01:08:29,294 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 227 DAG size of output: 29 [2020-07-20 01:08:29,897 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 19 [2020-07-20 01:08:30,450 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-07-20 01:08:30,818 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 26 [2020-07-20 01:08:31,212 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 20 [2020-07-20 01:08:31,413 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:08:31,998 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 19 [2020-07-20 01:08:32,193 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:08:32,389 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:08:32,557 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-07-20 01:08:32,723 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-20 01:08:32,910 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:08:33,372 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 21 [2020-07-20 01:08:33,632 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 28 [2020-07-20 01:08:33,789 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-20 01:08:34,720 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-07-20 01:08:35,017 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 16 [2020-07-20 01:08:35,422 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2020-07-20 01:08:35,622 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-20 01:08:36,212 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 23 [2020-07-20 01:08:37,629 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 264 DAG size of output: 28 [2020-07-20 01:08:37,807 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-20 01:08:38,028 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-20 01:08:38,857 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 30 [2020-07-20 01:08:38,862 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-07-20 01:08:38,862 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-07-20 01:08:38,862 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-07-20 01:08:38,862 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-07-20 01:08:38,863 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2020-07-20 01:08:38,864 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2020-07-20 01:08:38,865 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2020-07-20 01:08:38,865 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:38,865 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2020-07-20 01:08:38,865 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2020-07-20 01:08:38,865 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-20 01:08:38,865 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2020-07-20 01:08:38,865 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-20 01:08:38,865 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2020-07-20 01:08:38,866 INFO L264 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-20 01:08:38,866 INFO L268 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2020-07-20 01:08:38,866 INFO L268 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2020-07-20 01:08:38,866 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0) (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-20 01:08:38,866 INFO L268 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-07-20 01:08:38,866 INFO L268 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2020-07-20 01:08:38,866 INFO L268 CegarLoopResult]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2020-07-20 01:08:38,866 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-20 01:08:38,867 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-20 01:08:38,867 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2020-07-20 01:08:38,867 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2020-07-20 01:08:38,867 INFO L264 CegarLoopResult]: At program point L354-1(line 354) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,867 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 348 370) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,867 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2020-07-20 01:08:38,867 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2020-07-20 01:08:38,867 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,867 INFO L264 CegarLoopResult]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,867 INFO L268 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L264 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,868 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 301 324) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 301 324) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 301 324) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-07-20 01:08:38,868 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2020-07-20 01:08:38,869 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse0 (= 0 ~pumpRunning~0)))) (and (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= 0 |old(~systemActive~0)|)) (or .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse2 .cse3)))) [2020-07-20 01:08:38,869 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2020-07-20 01:08:38,870 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= 0 |old(~systemActive~0)|)) (or (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-20 01:08:38,870 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 01:08:38,870 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 01:08:38,870 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 01:08:38,870 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-20 01:08:38,870 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-20 01:08:38,870 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 01:08:38,870 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-20 01:08:38,870 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-20 01:08:38,870 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-20 01:08:38,871 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-07-20 01:08:38,872 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 158 168) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-20 01:08:38,873 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2020-07-20 01:08:38,874 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2020-07-20 01:08:38,874 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2020-07-20 01:08:38,875 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~1))) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 .cse2 .cse1))) [2020-07-20 01:08:38,875 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-20 01:08:38,875 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:38,875 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-20 01:08:38,875 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-20 01:08:38,875 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-20 01:08:38,875 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-20 01:08:38,876 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3))) [2020-07-20 01:08:38,876 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-20 01:08:38,876 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 .cse2 .cse1))) [2020-07-20 01:08:38,876 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:08:38,876 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-20 01:08:38,876 INFO L268 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-07-20 01:08:38,876 INFO L264 CegarLoopResult]: At program point testENTRY(lines 372 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,876 INFO L268 CegarLoopResult]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2020-07-20 01:08:38,876 INFO L264 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:38,877 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse1))) [2020-07-20 01:08:38,877 INFO L268 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-07-20 01:08:38,877 INFO L264 CegarLoopResult]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-20 01:08:38,877 INFO L268 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2020-07-20 01:08:38,877 INFO L268 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2020-07-20 01:08:38,877 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-20 01:08:38,877 INFO L268 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-07-20 01:08:38,877 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L264 CegarLoopResult]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse1))) [2020-07-20 01:08:38,878 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 01:08:38,878 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 440 449) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 440 449) no Hoare annotation was computed. [2020-07-20 01:08:38,879 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 440 449) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-07-20 01:08:38,880 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-20 01:08:38,881 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-20 01:08:38,882 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-20 01:08:38,882 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-20 01:08:38,882 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-20 01:08:38,882 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-20 01:08:38,882 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-20 01:08:38,882 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2020-07-20 01:08:38,882 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-20 01:08:38,882 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-20 01:08:38,882 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2))) [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 879 887) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1) (or .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-20 01:08:38,883 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-20 01:08:38,884 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (and (= 0 ~pumpRunning~0) .cse1 .cse2)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (= 0 ~systemActive~0)) (or .cse3 .cse0 .cse4) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)))))) [2020-07-20 01:08:38,884 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-20 01:08:38,884 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not .cse5)) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 1 ~waterLevel~0))) (and (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse3 (not (= 1 |old(~waterLevel~0)|)) (and .cse1 (= 0 ~pumpRunning~0) .cse4)) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4))))) [2020-07-20 01:08:38,884 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-20 01:08:38,884 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~waterLevel~0))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|))) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse3) .cse4 .cse2 (and (not .cse5) .cse3 (<= 1 ~pumpRunning~0)))) (or .cse4 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1)))) [2020-07-20 01:08:38,884 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2020-07-20 01:08:38,884 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2020-07-20 01:08:38,884 INFO L268 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2020-07-20 01:08:38,885 INFO L271 CegarLoopResult]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2020-07-20 01:08:38,885 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-20 01:08:38,885 INFO L271 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2020-07-20 01:08:38,885 INFO L271 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-07-20 01:08:38,885 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 01:08:38,885 INFO L271 CegarLoopResult]: At program point L294(lines 269 298) the Hoare annotation is: true [2020-07-20 01:08:38,885 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-20 01:08:38,885 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) [2020-07-20 01:08:38,886 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-07-20 01:08:38,886 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-07-20 01:08:38,886 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2020-07-20 01:08:38,886 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2020-07-20 01:08:38,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,886 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:08:38,886 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:08:38,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:38,886 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-20 01:08:38,887 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-20 01:08:38,887 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-20 01:08:38,887 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-20 01:08:38,887 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-20 01:08:38,887 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:08:38,887 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-20 01:08:38,887 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-20 01:08:38,887 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 01:08:38,888 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-20 01:08:38,888 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2020-07-20 01:08:38,888 INFO L268 CegarLoopResult]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2020-07-20 01:08:38,888 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (= 2 ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-20 01:08:38,888 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2020-07-20 01:08:38,888 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2020-07-20 01:08:38,888 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2020-07-20 01:08:38,888 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2020-07-20 01:08:38,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:08:38 BoogieIcfgContainer [2020-07-20 01:08:38,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:08:38,908 INFO L168 Benchmark]: Toolchain (without parser) took 118419.22 ms. Allocated memory was 135.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 99.6 MB in the beginning and 1.0 GB in the end (delta: -916.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-20 01:08:38,908 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:08:38,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.29 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.2 MB in the beginning and 169.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:38,909 INFO L168 Benchmark]: Boogie Preprocessor took 87.47 ms. Allocated memory is still 200.8 MB. Free memory was 169.5 MB in the beginning and 165.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:38,910 INFO L168 Benchmark]: RCFGBuilder took 1236.20 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 165.1 MB in the beginning and 192.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:38,910 INFO L168 Benchmark]: TraceAbstraction took 116438.70 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 192.0 MB in the beginning and 1.0 GB in the end (delta: -824.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-20 01:08:38,912 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 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.29 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.2 MB in the beginning and 169.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.47 ms. Allocated memory is still 200.8 MB. Free memory was 169.5 MB in the beginning and 165.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1236.20 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 165.1 MB in the beginning and 192.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 116438.70 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 192.0 MB in the beginning and 1.0 GB in the end (delta: -824.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.8s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 65.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2161 SDtfs, 5119 SDslu, 5044 SDs, 0 SdLazy, 18879 SolverSat, 3841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2345 GetRequests, 2002 SyntacticMatches, 5 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3392 ImplicationChecksByTransitivity, 34.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2527occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 2451 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4884 PreInvPairs, 5000 NumberOfFragments, 1703 HoareAnnotationTreeSize, 4884 FomulaSimplifications, 873072042 FormulaSimplificationTreeSizeReduction, 11.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 10156010 FormulaSimplificationTreeSizeReductionInter, 22.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 3223 NumberOfCodeBlocks, 2945 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3205 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493686 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5334 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2358/2500 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...