/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_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:24:38,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:24:38,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:24:38,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:24:38,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:24:38,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:24:38,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:24:38,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:24:38,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:24:38,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:24:38,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:24:38,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:24:38,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:24:38,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:24:38,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:24:38,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:24:38,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:24:38,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:24:38,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:24:38,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:24:38,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:24:38,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:24:38,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:24:38,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:24:38,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:24:38,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:24:38,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:24:38,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:24:38,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:24:38,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:24:38,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:24:38,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:24:38,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:24:38,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:24:38,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:24:38,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:24:38,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:24:38,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:24:38,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:24:38,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:24:38,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:24:38,284 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 16:24:38,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:24:38,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:24:38,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:24:38,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:24:38,301 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:24:38,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:24:38,301 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:24:38,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:24:38,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:24:38,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:24:38,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:24:38,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:24:38,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:24:38,303 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:24:38,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:24:38,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:24:38,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:24:38,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:24:38,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:24:38,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:24:38,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:24:38,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:38,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:24:38,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:24:38,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:24:38,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:24:38,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:38,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:24:38,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:24:38,306 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 16:24:38,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:24:38,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:24:38,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:24:38,611 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:24:38,612 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:24:38,612 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-07-20 16:24:38,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1942018c4/28aa0226f232426181f4b5ac6a7b133d/FLAG74fd74ec4 [2020-07-20 16:24:39,302 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:24:39,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-07-20 16:24:39,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1942018c4/28aa0226f232426181f4b5ac6a7b133d/FLAG74fd74ec4 [2020-07-20 16:24:39,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1942018c4/28aa0226f232426181f4b5ac6a7b133d [2020-07-20 16:24:39,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:24:39,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:24:39,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:39,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:24:39,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:24:39,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:39" (1/1) ... [2020-07-20 16:24:39,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af85b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:39, skipping insertion in model container [2020-07-20 16:24:39,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:39" (1/1) ... [2020-07-20 16:24:39,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:24:39,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:24:40,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:40,067 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:24:40,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:40,198 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:24:40,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40 WrapperNode [2020-07-20 16:24:40,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:40,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:24:40,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:24:40,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:24:40,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:24:40,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:24:40,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:24:40,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:24:40,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (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 16:24:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:24:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:24:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:24:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:24:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:24:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:24:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:24:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:24:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:24:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:24:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:24:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:24:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:24:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:24:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:24:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:24:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:24:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:24:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:24:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:24:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:24:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:24:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:24:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:24:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:24:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:24:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:24:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:24:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:24:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:24:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:24:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:24:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:24:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:24:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:24:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:24:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:24:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:24:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:24:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:24:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:24:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:24:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:24:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:24:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:24:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:24:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:24:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:24:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:24:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:24:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:24:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:24:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:24:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:24:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:24:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:24:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:24:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:24:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:24:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:24:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:24:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:24:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:24:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:24:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:24:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:24:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:24:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:24:41,483 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:24:41,483 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:24:41,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:41 BoogieIcfgContainer [2020-07-20 16:24:41,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:24:41,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:24:41,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:24:41,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:24:41,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:39" (1/3) ... [2020-07-20 16:24:41,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d62758b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:41, skipping insertion in model container [2020-07-20 16:24:41,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (2/3) ... [2020-07-20 16:24:41,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d62758b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:41, skipping insertion in model container [2020-07-20 16:24:41,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:41" (3/3) ... [2020-07-20 16:24:41,499 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-07-20 16:24:41,510 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:24:41,520 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:24:41,534 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:24:41,560 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:24:41,561 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:24:41,561 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:24:41,561 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:24:41,561 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:24:41,562 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:24:41,562 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:24:41,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:24:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-20 16:24:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:24:41,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:41,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:41,596 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:41,603 INFO L82 PathProgramCache]: Analyzing trace with hash 985009112, now seen corresponding path program 1 times [2020-07-20 16:24:41,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:41,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512962728] [2020-07-20 16:24:41,613 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 16:24:42,017 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:42,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:42,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:24:42,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:42,061 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 16:24:42,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:42,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512962728] [2020-07-20 16:24:42,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:42,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:24:42,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280756301] [2020-07-20 16:24:42,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:24:42,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:42,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:24:42,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:42,087 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-07-20 16:24:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:42,123 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2020-07-20 16:24:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:24:42,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:24:42,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:42,136 INFO L225 Difference]: With dead ends: 170 [2020-07-20 16:24:42,136 INFO L226 Difference]: Without dead ends: 85 [2020-07-20 16:24:42,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 16:24:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-20 16:24:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-20 16:24:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 16:24:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-07-20 16:24:42,191 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-07-20 16:24:42,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:42,192 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-07-20 16:24:42,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:24:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-07-20 16:24:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:24:42,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:42,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:42,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:42,412 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:42,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:42,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2101459879, now seen corresponding path program 1 times [2020-07-20 16:24:42,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:42,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504381885] [2020-07-20 16:24:42,415 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 16:24:42,776 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:42,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:42,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:42,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:42,816 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 16:24:42,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:42,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504381885] [2020-07-20 16:24:42,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:42,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:42,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963008645] [2020-07-20 16:24:42,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:42,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:42,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:42,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:42,820 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2020-07-20 16:24:42,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:42,839 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2020-07-20 16:24:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:42,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:24:42,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:42,842 INFO L225 Difference]: With dead ends: 115 [2020-07-20 16:24:42,842 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 16:24:42,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 16:24:42,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 16:24:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 16:24:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 16:24:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-07-20 16:24:42,854 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-07-20 16:24:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:42,855 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-07-20 16:24:42,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-07-20 16:24:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:24:42,857 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:42,857 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 16:24:43,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:43,071 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:43,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:43,072 INFO L82 PathProgramCache]: Analyzing trace with hash -727692587, now seen corresponding path program 1 times [2020-07-20 16:24:43,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:43,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668728092] [2020-07-20 16:24:43,073 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 16:24:43,455 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:43,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:43,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:24:43,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:43,490 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 16:24:43,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:43,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668728092] [2020-07-20 16:24:43,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:43,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:43,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425841877] [2020-07-20 16:24:43,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:43,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:43,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:43,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:43,494 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2020-07-20 16:24:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:43,519 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-20 16:24:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:43,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:24:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:43,523 INFO L225 Difference]: With dead ends: 128 [2020-07-20 16:24:43,523 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 16:24:43,524 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 16:24:43,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 16:24:43,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 16:24:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 16:24:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-07-20 16:24:43,539 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-07-20 16:24:43,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:43,540 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-07-20 16:24:43,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-07-20 16:24:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 16:24:43,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:43,544 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] [2020-07-20 16:24:43,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:43,758 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:43,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1037705015, now seen corresponding path program 1 times [2020-07-20 16:24:43,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:43,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684748205] [2020-07-20 16:24:43,760 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 16:24:44,067 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:44,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:44,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:24:44,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:44,168 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 16:24:44,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:44,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684748205] [2020-07-20 16:24:44,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:44,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:44,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288825415] [2020-07-20 16:24:44,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:44,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:44,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:44,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:44,171 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2020-07-20 16:24:44,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:44,376 INFO L93 Difference]: Finished difference Result 169 states and 202 transitions. [2020-07-20 16:24:44,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:44,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-20 16:24:44,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:44,381 INFO L225 Difference]: With dead ends: 169 [2020-07-20 16:24:44,381 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 16:24:44,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 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 16:24:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 16:24:44,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 16:24:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 16:24:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2020-07-20 16:24:44,399 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 55 [2020-07-20 16:24:44,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:44,400 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2020-07-20 16:24:44,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2020-07-20 16:24:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:24:44,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:44,402 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] [2020-07-20 16:24:44,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:44,615 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:44,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:44,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1822718639, now seen corresponding path program 1 times [2020-07-20 16:24:44,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:44,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216897235] [2020-07-20 16:24:44,616 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 16:24:44,970 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:44,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:44,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:24:44,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:45,020 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 16:24:45,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:45,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216897235] [2020-07-20 16:24:45,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:45,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:45,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258493924] [2020-07-20 16:24:45,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:45,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:45,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:45,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:45,026 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 3 states. [2020-07-20 16:24:45,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:45,036 INFO L93 Difference]: Finished difference Result 156 states and 183 transitions. [2020-07-20 16:24:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:45,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-20 16:24:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:45,040 INFO L225 Difference]: With dead ends: 156 [2020-07-20 16:24:45,040 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:24:45,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 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 16:24:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:24:45,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:24:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:24:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:24:45,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 16:24:45,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:45,044 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:24:45,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:24:45,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:24:45,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:45,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:24:46,043 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 16:24:46,044 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-20 16:24:46,044 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 16:24:46,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 441 496) no Hoare annotation was computed. [2020-07-20 16:24:46,044 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 487) no Hoare annotation was computed. [2020-07-20 16:24:46,044 INFO L268 CegarLoopResult]: For program point L488(lines 465 489) no Hoare annotation was computed. [2020-07-20 16:24:46,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 441 496) no Hoare annotation was computed. [2020-07-20 16:24:46,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 441 496) no Hoare annotation was computed. [2020-07-20 16:24:46,045 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 16:24:46,045 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-20 16:24:46,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 497 556) no Hoare annotation was computed. [2020-07-20 16:24:46,045 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-07-20 16:24:46,046 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 533) no Hoare annotation was computed. [2020-07-20 16:24:46,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 497 556) no Hoare annotation was computed. [2020-07-20 16:24:46,046 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 16:24:46,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 497 556) no Hoare annotation was computed. [2020-07-20 16:24:46,046 INFO L268 CegarLoopResult]: For program point L523-2(lines 523 548) no Hoare annotation was computed. [2020-07-20 16:24:46,046 INFO L268 CegarLoopResult]: For program point L549(lines 522 550) no Hoare annotation was computed. [2020-07-20 16:24:46,047 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 16:24:46,047 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 16:24:46,047 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 16:24:46,047 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 16:24:46,047 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 16:24:46,047 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 363 387) the Hoare annotation is: true [2020-07-20 16:24:46,048 INFO L264 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,048 INFO L268 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2020-07-20 16:24:46,048 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,048 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 16:24:46,048 INFO L268 CegarLoopResult]: For program point L371(lines 371 384) no Hoare annotation was computed. [2020-07-20 16:24:46,048 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 363 387) no Hoare annotation was computed. [2020-07-20 16:24:46,048 INFO L268 CegarLoopResult]: For program point L371-1(lines 363 387) no Hoare annotation was computed. [2020-07-20 16:24:46,049 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-20 16:24:46,049 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-20 16:24:46,049 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,049 INFO L264 CegarLoopResult]: At program point L833-1(line 833) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,049 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,049 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2020-07-20 16:24:46,050 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2020-07-20 16:24:46,050 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,050 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,050 INFO L268 CegarLoopResult]: For program point L837(lines 837 844) no Hoare annotation was computed. [2020-07-20 16:24:46,050 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2020-07-20 16:24:46,050 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-20 16:24:46,051 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,051 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 16:24:46,051 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 16:24:46,051 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 786 809) no Hoare annotation was computed. [2020-07-20 16:24:46,051 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 16:24:46,051 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 16:24:46,051 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 786 809) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 786 809) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-20 16:24:46,052 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-20 16:24:46,053 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 16:24:46,053 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 16:24:46,053 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 16:24:46,053 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 16:24:46,053 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-20 16:24:46,053 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 158 166) the Hoare annotation is: true [2020-07-20 16:24:46,053 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-20 16:24:46,054 INFO L268 CegarLoopResult]: For program point L186(lines 186 194) no Hoare annotation was computed. [2020-07-20 16:24:46,054 INFO L268 CegarLoopResult]: For program point L186-2(lines 186 194) no Hoare annotation was computed. [2020-07-20 16:24:46,054 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 167 202) no Hoare annotation was computed. [2020-07-20 16:24:46,054 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-07-20 16:24:46,054 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2020-07-20 16:24:46,054 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 167 202) no Hoare annotation was computed. [2020-07-20 16:24:46,055 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-20 16:24:46,055 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-07-20 16:24:46,055 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 167 202) no Hoare annotation was computed. [2020-07-20 16:24:46,055 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 16:24:46,055 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 16:24:46,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 395 440) no Hoare annotation was computed. [2020-07-20 16:24:46,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 395 440) no Hoare annotation was computed. [2020-07-20 16:24:46,056 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 395 440) no Hoare annotation was computed. [2020-07-20 16:24:46,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 708 753) no Hoare annotation was computed. [2020-07-20 16:24:46,056 INFO L268 CegarLoopResult]: For program point L728(lines 728 735) no Hoare annotation was computed. [2020-07-20 16:24:46,056 INFO L268 CegarLoopResult]: For program point L722(lines 722 742) no Hoare annotation was computed. [2020-07-20 16:24:46,056 INFO L268 CegarLoopResult]: For program point L722-1(lines 722 742) no Hoare annotation was computed. [2020-07-20 16:24:46,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 708 753) no Hoare annotation was computed. [2020-07-20 16:24:46,057 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 708 753) no Hoare annotation was computed. [2020-07-20 16:24:46,057 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 817 826) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,057 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 817 826) no Hoare annotation was computed. [2020-07-20 16:24:46,057 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 817 826) no Hoare annotation was computed. [2020-07-20 16:24:46,057 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 147 157) no Hoare annotation was computed. [2020-07-20 16:24:46,057 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 147 157) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 147 157) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 139 146) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 139 146) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 139 146) no Hoare annotation was computed. [2020-07-20 16:24:46,058 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 124 130) no Hoare annotation was computed. [2020-07-20 16:24:46,059 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 124 130) the Hoare annotation is: true [2020-07-20 16:24:46,059 INFO L264 CegarLoopResult]: At program point testENTRY(lines 215 280) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,059 INFO L268 CegarLoopResult]: For program point testFINAL(lines 215 280) no Hoare annotation was computed. [2020-07-20 16:24:46,059 INFO L264 CegarLoopResult]: At program point L273(lines 224 274) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,059 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-20 16:24:46,059 INFO L264 CegarLoopResult]: At program point L263-2(lines 255 268) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,060 INFO L268 CegarLoopResult]: For program point L226(lines 225 272) no Hoare annotation was computed. [2020-07-20 16:24:46,060 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,060 INFO L268 CegarLoopResult]: For program point L255(lines 255 268) no Hoare annotation was computed. [2020-07-20 16:24:46,060 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,060 INFO L268 CegarLoopResult]: For program point L245(lines 245 251) no Hoare annotation was computed. [2020-07-20 16:24:46,060 INFO L268 CegarLoopResult]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2020-07-20 16:24:46,061 INFO L264 CegarLoopResult]: At program point L270(lines 225 272) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,061 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,061 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-07-20 16:24:46,061 INFO L268 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-07-20 16:24:46,061 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 16:24:46,061 INFO L268 CegarLoopResult]: For program point testEXIT(lines 215 280) no Hoare annotation was computed. [2020-07-20 16:24:46,061 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 662 707) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 662 707) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 662 707) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point L682(lines 682 689) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point L676(lines 676 696) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 696) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2020-07-20 16:24:46,062 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point L609(lines 608 628) no Hoare annotation was computed. [2020-07-20 16:24:46,063 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point L640-1(line 640) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 559 661) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point L605(lines 605 646) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point L647(lines 647 658) no Hoare annotation was computed. [2020-07-20 16:24:46,064 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 559 661) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 628) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point L629(lines 607 630) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 559 661) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point L588(lines 588 604) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-07-20 16:24:46,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,066 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:46,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,066 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 131 138) no Hoare annotation was computed. [2020-07-20 16:24:46,066 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 131 138) no Hoare annotation was computed. [2020-07-20 16:24:46,066 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 131 138) no Hoare annotation was computed. [2020-07-20 16:24:46,066 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 353 361) the Hoare annotation is: true [2020-07-20 16:24:46,066 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2020-07-20 16:24:46,066 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2020-07-20 16:24:46,067 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: true [2020-07-20 16:24:46,067 INFO L268 CegarLoopResult]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2020-07-20 16:24:46,067 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2020-07-20 16:24:46,067 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,067 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,067 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,067 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 321 329) no Hoare annotation was computed. [2020-07-20 16:24:46,068 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-20 16:24:46,068 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-20 16:24:46,068 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:46,068 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 100 123) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:46,068 INFO L264 CegarLoopResult]: At program point L111(lines 111 117) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:46,068 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 100 123) no Hoare annotation was computed. [2020-07-20 16:24:46,069 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:46,069 INFO L268 CegarLoopResult]: For program point L104(lines 103 122) no Hoare annotation was computed. [2020-07-20 16:24:46,069 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 100 123) no Hoare annotation was computed. [2020-07-20 16:24:46,069 INFO L271 CegarLoopResult]: At program point L770-1(lines 770 774) the Hoare annotation is: true [2020-07-20 16:24:46,069 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 756 785) no Hoare annotation was computed. [2020-07-20 16:24:46,069 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-07-20 16:24:46,069 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 756 785) the Hoare annotation is: true [2020-07-20 16:24:46,070 INFO L271 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: true [2020-07-20 16:24:46,070 INFO L271 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: true [2020-07-20 16:24:46,070 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-20 16:24:46,070 INFO L271 CegarLoopResult]: At program point L781(lines 756 785) the Hoare annotation is: true [2020-07-20 16:24:46,070 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-07-20 16:24:46,070 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-20 16:24:46,071 INFO L268 CegarLoopResult]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2020-07-20 16:24:46,071 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2020-07-20 16:24:46,071 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2020-07-20 16:24:46,071 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 810 816) no Hoare annotation was computed. [2020-07-20 16:24:46,071 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 810 816) the Hoare annotation is: true [2020-07-20 16:24:46,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,071 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:24:46,072 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:46,072 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:46,072 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 203 210) no Hoare annotation was computed. [2020-07-20 16:24:46,072 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 203 210) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:46,072 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 203 210) no Hoare annotation was computed. [2020-07-20 16:24:46,072 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2020-07-20 16:24:46,072 INFO L268 CegarLoopResult]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2020-07-20 16:24:46,073 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:46,073 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:24:46,073 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:24:46,073 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:24:46,073 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:24:46,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:46 BoogieIcfgContainer [2020-07-20 16:24:46,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:24:46,093 INFO L168 Benchmark]: Toolchain (without parser) took 6539.29 ms. Allocated memory was 143.1 MB in the beginning and 285.7 MB in the end (delta: 142.6 MB). Free memory was 100.0 MB in the beginning and 196.0 MB in the end (delta: -96.1 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:46,094 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:24:46,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.15 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 99.5 MB in the beginning and 171.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:46,096 INFO L168 Benchmark]: Boogie Preprocessor took 94.02 ms. Allocated memory is still 201.9 MB. Free memory was 171.7 MB in the beginning and 167.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:46,097 INFO L168 Benchmark]: RCFGBuilder took 1196.86 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 167.3 MB in the beginning and 203.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:46,098 INFO L168 Benchmark]: TraceAbstraction took 4598.36 ms. Allocated memory was 232.8 MB in the beginning and 285.7 MB in the end (delta: 53.0 MB). Free memory was 203.9 MB in the beginning and 196.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 133.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:46,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.15 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 99.5 MB in the beginning and 171.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.02 ms. Allocated memory is still 201.9 MB. Free memory was 171.7 MB in the beginning and 167.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.86 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 167.3 MB in the beginning and 203.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4598.36 ms. Allocated memory was 232.8 MB in the beginning and 285.7 MB in the end (delta: 53.0 MB). Free memory was 203.9 MB in the beginning and 196.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 133.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || ((1 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 435 SDtfs, 124 SDslu, 360 SDs, 0 SdLazy, 63 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 147 PreInvPairs, 155 NumberOfFragments, 436 HoareAnnotationTreeSize, 147 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 25794 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3152 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...