/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:22:50,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:22:50,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:22:50,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:22:50,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:22:50,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:22:50,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:22:50,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:22:50,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:22:50,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:22:50,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:22:50,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:22:50,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:22:50,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:22:50,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:22:50,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:22:50,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:22:50,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:22:50,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:22:50,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:22:50,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:22:50,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:22:50,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:22:50,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:22:50,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:22:50,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:22:50,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:22:50,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:22:50,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:22:50,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:22:50,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:22:50,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:22:50,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:22:50,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:22:50,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:22:50,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:22:50,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:22:50,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:22:50,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:22:50,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:22:50,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:22:50,247 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 16:22:50,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:22:50,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:22:50,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:22:50,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:22:50,285 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:22:50,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:22:50,287 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:22:50,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:22:50,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:22:50,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:22:50,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:22:50,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:22:50,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:22:50,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:22:50,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:22:50,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:22:50,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:22:50,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:22:50,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:22:50,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:22:50,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:22:50,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:50,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:22:50,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:22:50,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:22:50,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:22:50,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:50,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:22:50,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:22:50,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_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 [2020-07-20 16:22:50,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:22:50,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:22:50,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:22:50,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:22:50,610 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:22:50,610 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-07-20 16:22:50,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9b2edb/8c63528cca6d4092a642fb9937aeebbd/FLAG2ef5f0206 [2020-07-20 16:22:51,175 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:22:51,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-07-20 16:22:51,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9b2edb/8c63528cca6d4092a642fb9937aeebbd/FLAG2ef5f0206 [2020-07-20 16:22:51,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9b2edb/8c63528cca6d4092a642fb9937aeebbd [2020-07-20 16:22:51,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:22:51,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:22:51,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:51,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:22:51,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:22:51,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:51" (1/1) ... [2020-07-20 16:22:51,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f6534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:51, skipping insertion in model container [2020-07-20 16:22:51,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:51" (1/1) ... [2020-07-20 16:22:51,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:22:51,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:22:51,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:52,019 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:22:52,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:52,141 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:22:52,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52 WrapperNode [2020-07-20 16:22:52,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:52,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:22:52,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:22:52,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:22:52,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:22:52,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:22:52,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:22:52,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:22:52,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (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 16:22:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:22:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:22:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:22:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:22:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:22:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:22:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:22:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:22:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:22:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:22:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:22:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:22:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:22:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:22:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:22:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:22:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:22:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:22:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:22:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:22:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:22:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:22:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:22:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:22:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:22:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:22:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:22:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:22:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:22:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:22:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:22:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:22:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:22:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:22:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:22:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:22:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:22:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:22:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:22:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:22:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:22:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:22:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:22:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:22:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:22:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:22:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:22:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:22:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:22:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:22:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:22:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:22:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:22:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:22:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:22:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:22:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:22:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:22:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:22:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:22:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:22:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:22:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:22:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:22:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:22:53,348 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:22:53,348 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:22:53,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:53 BoogieIcfgContainer [2020-07-20 16:22:53,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:22:53,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:22:53,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:22:53,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:22:53,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:51" (1/3) ... [2020-07-20 16:22:53,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226df81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:53, skipping insertion in model container [2020-07-20 16:22:53,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (2/3) ... [2020-07-20 16:22:53,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226df81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:53, skipping insertion in model container [2020-07-20 16:22:53,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:53" (3/3) ... [2020-07-20 16:22:53,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-07-20 16:22:53,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:22:53,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:22:53,391 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:22:53,415 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:22:53,415 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:22:53,415 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:22:53,415 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:22:53,416 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:22:53,416 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:22:53,416 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:22:53,416 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:22:53,437 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-20 16:22:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:22:53,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:53,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:53,448 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:53,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:53,454 INFO L82 PathProgramCache]: Analyzing trace with hash -790254398, now seen corresponding path program 1 times [2020-07-20 16:22:53,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:53,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668996231] [2020-07-20 16:22:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:53,971 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:53,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:53,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:22:53,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:54,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:54,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668996231] [2020-07-20 16:22:54,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:54,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:22:54,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930135771] [2020-07-20 16:22:54,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:22:54,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:54,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:22:54,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:54,043 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2020-07-20 16:22:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:54,081 INFO L93 Difference]: Finished difference Result 212 states and 265 transitions. [2020-07-20 16:22:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:22:54,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:22:54,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:54,095 INFO L225 Difference]: With dead ends: 212 [2020-07-20 16:22:54,095 INFO L226 Difference]: Without dead ends: 108 [2020-07-20 16:22:54,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:54,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-20 16:22:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-07-20 16:22:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-20 16:22:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-07-20 16:22:54,150 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2020-07-20 16:22:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:54,151 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-07-20 16:22:54,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:22:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-07-20 16:22:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:22:54,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:54,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:54,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:54,370 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:54,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:54,371 INFO L82 PathProgramCache]: Analyzing trace with hash 449036907, now seen corresponding path program 1 times [2020-07-20 16:22:54,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:54,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618546636] [2020-07-20 16:22:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:54,778 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:54,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:54,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:22:54,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:54,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:54,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618546636] [2020-07-20 16:22:54,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:54,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:54,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651270980] [2020-07-20 16:22:54,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:54,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:54,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:54,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:54,829 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2020-07-20 16:22:54,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:54,847 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2020-07-20 16:22:54,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:54,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:22:54,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:54,850 INFO L225 Difference]: With dead ends: 157 [2020-07-20 16:22:54,850 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 16:22:54,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 16:22:54,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-20 16:22:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-20 16:22:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-07-20 16:22:54,864 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2020-07-20 16:22:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:54,864 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-07-20 16:22:54,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-07-20 16:22:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:22:54,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:54,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:55,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:55,081 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:55,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:55,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1483063984, now seen corresponding path program 1 times [2020-07-20 16:22:55,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:55,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050507964] [2020-07-20 16:22:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:55,414 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:55,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:55,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:22:55,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:55,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:55,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050507964] [2020-07-20 16:22:55,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:55,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:55,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54359197] [2020-07-20 16:22:55,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:55,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:55,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:55,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:55,450 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states. [2020-07-20 16:22:55,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:55,477 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2020-07-20 16:22:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:55,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 16:22:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:55,484 INFO L225 Difference]: With dead ends: 170 [2020-07-20 16:22:55,484 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 16:22:55,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:55,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 16:22:55,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-20 16:22:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-20 16:22:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-07-20 16:22:55,507 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2020-07-20 16:22:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:55,507 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-07-20 16:22:55,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-07-20 16:22:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:22:55,514 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:55,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:55,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:55,728 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1934591269, now seen corresponding path program 1 times [2020-07-20 16:22:55,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:55,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264654737] [2020-07-20 16:22:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:56,170 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:56,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:56,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:22:56,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:56,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:56,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264654737] [2020-07-20 16:22:56,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:56,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:56,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440487143] [2020-07-20 16:22:56,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:56,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:56,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:56,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:56,228 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 6 states. [2020-07-20 16:22:56,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:56,412 INFO L93 Difference]: Finished difference Result 233 states and 278 transitions. [2020-07-20 16:22:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:22:56,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 16:22:56,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:56,416 INFO L225 Difference]: With dead ends: 233 [2020-07-20 16:22:56,416 INFO L226 Difference]: Without dead ends: 162 [2020-07-20 16:22:56,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:56,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-20 16:22:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2020-07-20 16:22:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-20 16:22:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2020-07-20 16:22:56,437 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2020-07-20 16:22:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:56,438 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2020-07-20 16:22:56,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2020-07-20 16:22:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 16:22:56,440 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:56,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:56,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:56,654 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash 419141833, now seen corresponding path program 1 times [2020-07-20 16:22:56,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:56,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62742946] [2020-07-20 16:22:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:57,086 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:57,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:57,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:22:57,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:57,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:57,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62742946] [2020-07-20 16:22:57,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:57,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:57,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200284999] [2020-07-20 16:22:57,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:57,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:57,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:57,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:57,118 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 3 states. [2020-07-20 16:22:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:57,149 INFO L93 Difference]: Finished difference Result 276 states and 330 transitions. [2020-07-20 16:22:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:57,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-07-20 16:22:57,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:57,152 INFO L225 Difference]: With dead ends: 276 [2020-07-20 16:22:57,152 INFO L226 Difference]: Without dead ends: 273 [2020-07-20 16:22:57,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:57,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-07-20 16:22:57,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 230. [2020-07-20 16:22:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-20 16:22:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 274 transitions. [2020-07-20 16:22:57,177 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 274 transitions. Word has length 69 [2020-07-20 16:22:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:57,178 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 274 transitions. [2020-07-20 16:22:57,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 274 transitions. [2020-07-20 16:22:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 16:22:57,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:57,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:22:57,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:57,397 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:57,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:57,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1666087687, now seen corresponding path program 1 times [2020-07-20 16:22:57,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:57,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389974657] [2020-07-20 16:22:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:57,704 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:57,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:57,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:22:57,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 16:22:57,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:57,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389974657] [2020-07-20 16:22:57,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:57,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:57,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637760214] [2020-07-20 16:22:57,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:57,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:57,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:57,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:57,759 INFO L87 Difference]: Start difference. First operand 230 states and 274 transitions. Second operand 6 states. [2020-07-20 16:22:58,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:58,074 INFO L93 Difference]: Finished difference Result 326 states and 394 transitions. [2020-07-20 16:22:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:22:58,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 16:22:58,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:58,076 INFO L225 Difference]: With dead ends: 326 [2020-07-20 16:22:58,076 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:22:58,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:58,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:22:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:22:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:22:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:22:58,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2020-07-20 16:22:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:58,083 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:22:58,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:22:58,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:22:58,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:58,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:22:59,595 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-07-20 16:22:59,595 INFO L268 CegarLoopResult]: For program point L503-1(lines 503 507) no Hoare annotation was computed. [2020-07-20 16:22:59,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 472 527) no Hoare annotation was computed. [2020-07-20 16:22:59,595 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-20 16:22:59,595 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 518) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point L519(lines 496 520) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 472 527) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 472 527) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 528 587) no Hoare annotation was computed. [2020-07-20 16:22:59,596 INFO L268 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-07-20 16:22:59,597 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 564) no Hoare annotation was computed. [2020-07-20 16:22:59,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 528 587) no Hoare annotation was computed. [2020-07-20 16:22:59,597 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-07-20 16:22:59,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 528 587) no Hoare annotation was computed. [2020-07-20 16:22:59,597 INFO L268 CegarLoopResult]: For program point L554-2(lines 554 579) no Hoare annotation was computed. [2020-07-20 16:22:59,597 INFO L268 CegarLoopResult]: For program point L580(lines 553 581) no Hoare annotation was computed. [2020-07-20 16:22:59,598 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 16:22:59,598 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 16:22:59,598 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 16:22:59,598 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 16:22:59,598 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 16:22:59,598 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 868 890) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,598 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 868 890) no Hoare annotation was computed. [2020-07-20 16:22:59,599 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,599 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,599 INFO L268 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-07-20 16:22:59,599 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 885) no Hoare annotation was computed. [2020-07-20 16:22:59,599 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 868 890) no Hoare annotation was computed. [2020-07-20 16:22:59,599 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-20 16:22:59,600 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,600 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,600 INFO L264 CegarLoopResult]: At program point L874-1(line 874) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,600 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-20 16:22:59,600 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 826 849) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 826 849) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 826 849) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-20 16:22:59,601 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-07-20 16:22:59,602 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 245 253) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 245 253) the Hoare annotation is: true [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 245 253) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 254 289) no Hoare annotation was computed. [2020-07-20 16:22:59,603 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 254 289) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 269) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 254 289) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 426 471) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 426 471) no Hoare annotation was computed. [2020-07-20 16:22:59,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 426 471) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 739 784) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L268 CegarLoopResult]: For program point L759(lines 759 766) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L268 CegarLoopResult]: For program point L753(lines 753 773) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L268 CegarLoopResult]: For program point L753-1(lines 753 773) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 739 784) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 739 784) no Hoare annotation was computed. [2020-07-20 16:22:59,605 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 857 867) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,606 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,606 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 857 867) no Hoare annotation was computed. [2020-07-20 16:22:59,606 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 857 867) no Hoare annotation was computed. [2020-07-20 16:22:59,606 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 234 244) the Hoare annotation is: true [2020-07-20 16:22:59,606 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-07-20 16:22:59,606 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-07-20 16:22:59,606 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 234 244) no Hoare annotation was computed. [2020-07-20 16:22:59,607 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 234 244) no Hoare annotation was computed. [2020-07-20 16:22:59,607 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 226 233) the Hoare annotation is: true [2020-07-20 16:22:59,607 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 226 233) no Hoare annotation was computed. [2020-07-20 16:22:59,607 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 226 233) no Hoare annotation was computed. [2020-07-20 16:22:59,607 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 193 217) no Hoare annotation was computed. [2020-07-20 16:22:59,607 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:59,607 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 193 217) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:59,608 INFO L268 CegarLoopResult]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2020-07-20 16:22:59,608 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:22:59,608 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:22:59,608 INFO L268 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-07-20 16:22:59,608 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:22:59,609 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-07-20 16:22:59,609 INFO L268 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-07-20 16:22:59,609 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 185 191) no Hoare annotation was computed. [2020-07-20 16:22:59,609 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 185 191) the Hoare annotation is: true [2020-07-20 16:22:59,609 INFO L264 CegarLoopResult]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,609 INFO L268 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-07-20 16:22:59,609 INFO L268 CegarLoopResult]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2020-07-20 16:22:59,610 INFO L264 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:59,610 INFO L268 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-07-20 16:22:59,610 INFO L264 CegarLoopResult]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2))) [2020-07-20 16:22:59,610 INFO L268 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2020-07-20 16:22:59,610 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2))) [2020-07-20 16:22:59,610 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-07-20 16:22:59,611 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:22:59,611 INFO L268 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-07-20 16:22:59,611 INFO L268 CegarLoopResult]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2020-07-20 16:22:59,611 INFO L264 CegarLoopResult]: At program point L138(lines 93 140) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:22:59,611 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:22:59,611 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-07-20 16:22:59,611 INFO L268 CegarLoopResult]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2020-07-20 16:22:59,611 INFO L268 CegarLoopResult]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 693 738) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 693 738) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 693 738) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point L713(lines 713 720) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point L707(lines 707 727) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 727) no Hoare annotation was computed. [2020-07-20 16:22:59,612 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:22:59,612 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-07-20 16:22:59,613 INFO L268 CegarLoopResult]: For program point L402(lines 402 412) no Hoare annotation was computed. [2020-07-20 16:22:59,613 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 390 418) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:22:59,613 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:22:59,613 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-07-20 16:22:59,613 INFO L268 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2020-07-20 16:22:59,613 INFO L268 CegarLoopResult]: For program point L398-1(lines 390 418) no Hoare annotation was computed. [2020-07-20 16:22:59,613 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 390 418) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 363) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 347 369) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 347 369) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 347 369) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L268 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-07-20 16:22:59,614 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 382 389) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 382 389) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 382 389) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point L640(lines 639 659) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-07-20 16:22:59,615 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 590 692) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L636(lines 636 677) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L678(lines 678 689) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 590 692) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L641(lines 641 645) no Hoare annotation was computed. [2020-07-20 16:22:59,616 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 659) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point L660(lines 638 661) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 590 692) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point L619(lines 619 635) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point L679(lines 679 686) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,617 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 218 225) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 370 378) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 370 378) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 370 378) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 326 337) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point L330-1(lines 326 337) no Hoare annotation was computed. [2020-07-20 16:22:59,618 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 326 337) no Hoare annotation was computed. [2020-07-20 16:22:59,619 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,619 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,619 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,619 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:59,619 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:59,619 INFO L264 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:59,620 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2020-07-20 16:22:59,620 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:22:59,620 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2020-07-20 16:22:59,620 INFO L268 CegarLoopResult]: For program point L165(lines 164 183) no Hoare annotation was computed. [2020-07-20 16:22:59,620 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-07-20 16:22:59,620 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 796 825) no Hoare annotation was computed. [2020-07-20 16:22:59,620 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 796 825) the Hoare annotation is: true [2020-07-20 16:22:59,621 INFO L271 CegarLoopResult]: At program point L821(lines 796 825) the Hoare annotation is: true [2020-07-20 16:22:59,621 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-20 16:22:59,621 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-07-20 16:22:59,621 INFO L271 CegarLoopResult]: At program point L810-1(lines 810 814) the Hoare annotation is: true [2020-07-20 16:22:59,621 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-20 16:22:59,621 INFO L271 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: true [2020-07-20 16:22:59,621 INFO L271 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: true [2020-07-20 16:22:59,622 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 338 346) the Hoare annotation is: true [2020-07-20 16:22:59,622 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 338 346) no Hoare annotation was computed. [2020-07-20 16:22:59,622 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 338 346) no Hoare annotation was computed. [2020-07-20 16:22:59,622 INFO L268 CegarLoopResult]: For program point L306-1(lines 302 313) no Hoare annotation was computed. [2020-07-20 16:22:59,622 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 302 313) the Hoare annotation is: true [2020-07-20 16:22:59,622 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 302 313) no Hoare annotation was computed. [2020-07-20 16:22:59,622 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 850 856) no Hoare annotation was computed. [2020-07-20 16:22:59,622 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 850 856) the Hoare annotation is: true [2020-07-20 16:22:59,622 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,623 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:22:59,623 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:59,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:59,623 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-20 16:22:59,623 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-20 16:22:59,623 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-20 16:22:59,623 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 314 325) no Hoare annotation was computed. [2020-07-20 16:22:59,623 INFO L268 CegarLoopResult]: For program point L318-1(lines 314 325) no Hoare annotation was computed. [2020-07-20 16:22:59,624 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 314 325) the Hoare annotation is: true [2020-07-20 16:22:59,624 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 786 793) no Hoare annotation was computed. [2020-07-20 16:22:59,624 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-07-20 16:22:59,624 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 786 793) the Hoare annotation is: true [2020-07-20 16:22:59,624 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 786 793) no Hoare annotation was computed. [2020-07-20 16:22:59,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:22:59 BoogieIcfgContainer [2020-07-20 16:22:59,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:22:59,645 INFO L168 Benchmark]: Toolchain (without parser) took 8101.81 ms. Allocated memory was 137.9 MB in the beginning and 287.3 MB in the end (delta: 149.4 MB). Free memory was 102.2 MB in the beginning and 138.1 MB in the end (delta: -36.0 MB). Peak memory consumption was 162.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:59,646 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:22:59,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.35 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 172.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:59,647 INFO L168 Benchmark]: Boogie Preprocessor took 85.58 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:59,648 INFO L168 Benchmark]: RCFGBuilder took 1124.64 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 167.8 MB in the beginning and 201.4 MB in the end (delta: -33.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:59,649 INFO L168 Benchmark]: TraceAbstraction took 6286.31 ms. Allocated memory was 234.9 MB in the beginning and 287.3 MB in the end (delta: 52.4 MB). Free memory was 201.4 MB in the beginning and 138.1 MB in the end (delta: 63.3 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:59,654 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 600.35 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 172.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.58 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1124.64 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 167.8 MB in the beginning and 201.4 MB in the end (delta: -33.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6286.31 ms. Allocated memory was 234.9 MB in the beginning and 287.3 MB in the end (delta: 52.4 MB). Free memory was 201.4 MB in the beginning and 138.1 MB in the end (delta: 63.3 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: 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: 93]: Loop Invariant Derived loop invariant: (((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive))) || (((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 694 SDtfs, 263 SDslu, 703 SDs, 0 SdLazy, 183 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 259 PreInvPairs, 274 NumberOfFragments, 943 HoareAnnotationTreeSize, 259 FomulaSimplifications, 201 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 708 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 402 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 51916 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4212 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 35/35 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...