/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:59:05,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:59:05,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:59:05,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:59:05,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:59:05,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:59:05,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:59:05,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:59:05,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:59:05,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:59:05,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:59:05,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:59:05,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:59:05,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:59:05,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:59:05,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:59:05,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:59:05,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:59:05,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:59:05,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:59:05,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:59:05,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:59:05,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:59:05,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:59:05,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:59:05,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:59:05,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:59:05,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:59:05,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:59:05,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:59:05,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:59:05,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:59:05,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:59:05,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:59:05,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:59:05,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:59:05,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:59:05,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:59:05,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:59:05,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:59:05,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:59:05,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 00:59:05,415 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:59:05,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:59:05,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:59:05,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:59:05,419 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:59:05,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:59:05,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:59:05,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:59:05,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:59:05,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:59:05,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:59:05,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:59:05,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:59:05,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:59:05,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:59:05,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:59:05,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:59:05,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:59:05,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:59:05,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:59:05,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:59:05,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:05,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:59:05,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:59:05,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:59:05,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:59:05,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:59:05,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:59:05,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:59:05,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:59:05,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:59:05,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:59:05,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:59:05,715 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:59:05,716 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:59:05,716 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c [2020-07-20 00:59:05,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf6d3a4d/683a6b91d2df4abe9285db9bf3fec4a0/FLAG5d194cab8 [2020-07-20 00:59:06,276 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:59:06,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c [2020-07-20 00:59:06,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf6d3a4d/683a6b91d2df4abe9285db9bf3fec4a0/FLAG5d194cab8 [2020-07-20 00:59:06,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf6d3a4d/683a6b91d2df4abe9285db9bf3fec4a0 [2020-07-20 00:59:06,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:59:06,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:59:06,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:06,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:59:06,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:59:06,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:06" (1/1) ... [2020-07-20 00:59:06,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28149ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:06, skipping insertion in model container [2020-07-20 00:59:06,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:06" (1/1) ... [2020-07-20 00:59:06,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:59:06,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:59:07,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:59:07,123 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:59:07,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:59:07,302 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:59:07,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07 WrapperNode [2020-07-20 00:59:07,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:07,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:59:07,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:59:07,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:59:07,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... [2020-07-20 00:59:07,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:59:07,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:59:07,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:59:07,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:59:07,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:59:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:59:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:59:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:59:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:59:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:59:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:59:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:59:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:59:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 00:59:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:59:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:59:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:59:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:59:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:59:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:59:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:59:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:59:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:59:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:59:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:59:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:59:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:59:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:59:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 00:59:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:59:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 00:59:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:59:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:59:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:59:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:59:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:59:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:59:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 00:59:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:59:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:59:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:59:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 00:59:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:59:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:59:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:59:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:59:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:59:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:59:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:59:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:59:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:59:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:59:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:59:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:59:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:59:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:59:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:59:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:59:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 00:59:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:59:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:59:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:59:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 00:59:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:59:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:59:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:59:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:59:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:59:08,562 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:59:08,563 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:59:08,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:08 BoogieIcfgContainer [2020-07-20 00:59:08,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:59:08,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:59:08,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:59:08,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:59:08,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:59:06" (1/3) ... [2020-07-20 00:59:08,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700e64e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:08, skipping insertion in model container [2020-07-20 00:59:08,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07" (2/3) ... [2020-07-20 00:59:08,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700e64e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:08, skipping insertion in model container [2020-07-20 00:59:08,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:08" (3/3) ... [2020-07-20 00:59:08,580 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2020-07-20 00:59:08,590 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:59:08,598 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:59:08,612 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:59:08,636 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:59:08,636 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:59:08,636 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:59:08,636 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:59:08,637 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:59:08,637 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:59:08,637 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:59:08,637 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:59:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-07-20 00:59:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:59:08,669 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:08,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:08,671 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:08,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:08,676 INFO L82 PathProgramCache]: Analyzing trace with hash -48518306, now seen corresponding path program 1 times [2020-07-20 00:59:08,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:08,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528905051] [2020-07-20 00:59:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31a05d51 [2020-07-20 00:59:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,269 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:09,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528905051] [2020-07-20 00:59:09,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:09,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 00:59:09,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319949970] [2020-07-20 00:59:09,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:59:09,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:09,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:59:09,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:59:09,449 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 3 states. [2020-07-20 00:59:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:10,562 INFO L93 Difference]: Finished difference Result 300 states and 394 transitions. [2020-07-20 00:59:10,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:59:10,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 00:59:10,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:10,578 INFO L225 Difference]: With dead ends: 300 [2020-07-20 00:59:10,578 INFO L226 Difference]: Without dead ends: 162 [2020-07-20 00:59:10,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:59:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-20 00:59:10,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 129. [2020-07-20 00:59:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 00:59:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2020-07-20 00:59:10,669 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2020-07-20 00:59:10,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:10,670 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2020-07-20 00:59:10,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:59:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2020-07-20 00:59:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 00:59:10,674 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:10,674 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] [2020-07-20 00:59:10,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:59:10,674 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:10,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:10,675 INFO L82 PathProgramCache]: Analyzing trace with hash 224052050, now seen corresponding path program 1 times [2020-07-20 00:59:10,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:10,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565777590] [2020-07-20 00:59:10,676 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31a05d51 [2020-07-20 00:59:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,009 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:11,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565777590] [2020-07-20 00:59:11,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:11,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:59:11,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237612662] [2020-07-20 00:59:11,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:59:11,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:11,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:59:11,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:59:11,056 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 4 states. [2020-07-20 00:59:11,476 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:59:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:12,269 INFO L93 Difference]: Finished difference Result 229 states and 281 transitions. [2020-07-20 00:59:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 00:59:12,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-20 00:59:12,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:12,273 INFO L225 Difference]: With dead ends: 229 [2020-07-20 00:59:12,273 INFO L226 Difference]: Without dead ends: 146 [2020-07-20 00:59:12,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:59:12,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-20 00:59:12,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2020-07-20 00:59:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 00:59:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2020-07-20 00:59:12,315 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2020-07-20 00:59:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:12,316 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2020-07-20 00:59:12,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:59:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2020-07-20 00:59:12,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 00:59:12,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:12,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:12,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:59:12,319 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:12,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:12,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1519728538, now seen corresponding path program 1 times [2020-07-20 00:59:12,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:12,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451759183] [2020-07-20 00:59:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31a05d51 [2020-07-20 00:59:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,629 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:12,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451759183] [2020-07-20 00:59:12,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:12,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:59:12,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607152867] [2020-07-20 00:59:12,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:59:12,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:12,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:59:12,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:59:12,733 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 8 states. [2020-07-20 00:59:13,098 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:13,392 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:13,664 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:13,888 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:15,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:15,006 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2020-07-20 00:59:15,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:59:15,007 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-20 00:59:15,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:15,010 INFO L225 Difference]: With dead ends: 242 [2020-07-20 00:59:15,011 INFO L226 Difference]: Without dead ends: 146 [2020-07-20 00:59:15,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:59:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-20 00:59:15,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2020-07-20 00:59:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 00:59:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2020-07-20 00:59:15,051 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2020-07-20 00:59:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:15,052 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2020-07-20 00:59:15,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:59:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2020-07-20 00:59:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-20 00:59:15,054 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:15,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:15,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:59:15,055 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:15,056 INFO L82 PathProgramCache]: Analyzing trace with hash -531263457, now seen corresponding path program 1 times [2020-07-20 00:59:15,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:15,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679393702] [2020-07-20 00:59:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31a05d51 [2020-07-20 00:59:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,383 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:15,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679393702] [2020-07-20 00:59:15,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:15,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:59:15,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895863248] [2020-07-20 00:59:15,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:59:15,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:15,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:59:15,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:59:15,474 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 8 states. [2020-07-20 00:59:15,859 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:17,309 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:17,589 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:17,815 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:18,197 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:18,556 INFO L93 Difference]: Finished difference Result 363 states and 474 transitions. [2020-07-20 00:59:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 00:59:18,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-07-20 00:59:18,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:18,560 INFO L225 Difference]: With dead ends: 363 [2020-07-20 00:59:18,560 INFO L226 Difference]: Without dead ends: 267 [2020-07-20 00:59:18,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:59:18,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-07-20 00:59:18,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 216. [2020-07-20 00:59:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-20 00:59:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2020-07-20 00:59:18,614 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 71 [2020-07-20 00:59:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:18,615 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2020-07-20 00:59:18,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:59:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2020-07-20 00:59:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 00:59:18,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:18,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:18,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:59:18,619 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1398757657, now seen corresponding path program 1 times [2020-07-20 00:59:18,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:18,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794227766] [2020-07-20 00:59:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31a05d51 [2020-07-20 00:59:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,913 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:18,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794227766] [2020-07-20 00:59:18,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:18,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 00:59:18,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319366018] [2020-07-20 00:59:18,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 00:59:18,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:18,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 00:59:18,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 00:59:18,993 INFO L87 Difference]: Start difference. First operand 216 states and 258 transitions. Second operand 6 states. [2020-07-20 00:59:19,336 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:19,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:19,856 INFO L93 Difference]: Finished difference Result 348 states and 431 transitions. [2020-07-20 00:59:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 00:59:19,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-07-20 00:59:19,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:19,862 INFO L225 Difference]: With dead ends: 348 [2020-07-20 00:59:19,862 INFO L226 Difference]: Without dead ends: 156 [2020-07-20 00:59:19,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:59:19,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-20 00:59:19,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 143. [2020-07-20 00:59:19,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 00:59:19,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 158 transitions. [2020-07-20 00:59:19,895 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 158 transitions. Word has length 75 [2020-07-20 00:59:19,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:19,895 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 158 transitions. [2020-07-20 00:59:19,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 00:59:19,896 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 158 transitions. [2020-07-20 00:59:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 00:59:19,897 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:19,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:19,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:59:19,897 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:19,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:19,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1135016507, now seen corresponding path program 1 times [2020-07-20 00:59:19,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:19,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102867394] [2020-07-20 00:59:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31a05d51 [2020-07-20 00:59:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:59:19,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:59:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:59:20,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:59:20,095 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 00:59:20,095 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 00:59:20,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:59:20,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:59:20 BoogieIcfgContainer [2020-07-20 00:59:20,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:59:20,254 INFO L168 Benchmark]: Toolchain (without parser) took 13625.51 ms. Allocated memory was 145.2 MB in the beginning and 461.9 MB in the end (delta: 316.7 MB). Free memory was 101.0 MB in the beginning and 217.3 MB in the end (delta: -116.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:20,255 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 00:59:20,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.43 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 171.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:20,257 INFO L168 Benchmark]: Boogie Preprocessor took 97.72 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:20,258 INFO L168 Benchmark]: RCFGBuilder took 1170.39 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.8 MB in the beginning and 195.7 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:20,259 INFO L168 Benchmark]: TraceAbstraction took 11678.96 ms. Allocated memory was 236.5 MB in the beginning and 461.9 MB in the end (delta: 225.4 MB). Free memory was 195.7 MB in the beginning and 217.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 203.9 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:20,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.43 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 171.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.72 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.39 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.8 MB in the beginning and 195.7 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11678.96 ms. Allocated memory was 236.5 MB in the beginning and 461.9 MB in the end (delta: 225.4 MB). Free memory was 195.7 MB in the beginning and 217.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 203.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 883]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L675] int pumpRunning = 0; [L676] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L215] int retValue_acc ; [L216] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L220] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L221] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L222] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] int retValue_acc ; [L917] retValue_acc = 1 [L918] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L222] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L222] tmp = valid_product() [L224] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L226] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L227] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L206] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L627] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L627] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___2)) [L651] tmp___1 = __VERIFIER_nondet_int() [L653] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L660] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L730] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L698] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] int tmp ; [L925] int tmp___0 ; [L926] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L930] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] tmp = isMethaneLevelCritical() [L932] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L936] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L936] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L936] tmp___0 = getWaterLevel() [L938] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L940] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L807] int retValue_acc ; [L810] retValue_acc = pumpRunning [L811] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L940] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L940] tmp___1 = isPumpRunning() [L942] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L946] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 519 SDtfs, 796 SDslu, 260 SDs, 0 SdLazy, 1585 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 149 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 88076 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 incorrect! Received shutdown request...