/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_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:05,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:05,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:05,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:05,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:05,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:05,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:05,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:05,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:05,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:05,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:05,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:05,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:05,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:05,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:05,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:05,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:05,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:05,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:05,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:05,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:05,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:05,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:05,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:05,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:05,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:05,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:05,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:05,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:05,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:05,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:05,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:05,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:05,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:05,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:05,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:05,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:05,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:05,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:05,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:05,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:05,654 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 16:26:05,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:05,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:05,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:05,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:05,671 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:05,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:05,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:05,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:05,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:05,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:05,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:05,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:05,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:05,673 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:05,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:05,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:05,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:05,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:05,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:05,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:05,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:05,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:05,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:05,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:05,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:05,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:05,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:05,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:05,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:05,676 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 16:26:05,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:05,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:05,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:05,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:05,983 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:05,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-07-20 16:26:06,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc912b51a/31fe0708b86740369b7391417e2c1715/FLAGfade91929 [2020-07-20 16:26:06,606 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:06,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-07-20 16:26:06,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc912b51a/31fe0708b86740369b7391417e2c1715/FLAGfade91929 [2020-07-20 16:26:06,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc912b51a/31fe0708b86740369b7391417e2c1715 [2020-07-20 16:26:06,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:06,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:06,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:06,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:06,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:06,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:06" (1/1) ... [2020-07-20 16:26:06,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46df0683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:06, skipping insertion in model container [2020-07-20 16:26:06,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:06" (1/1) ... [2020-07-20 16:26:06,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:07,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:07,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:07,497 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:07,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:07,623 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:07,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07 WrapperNode [2020-07-20 16:26:07,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:07,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:07,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:07,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:07,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:07,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:07,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:07,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:07,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (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 16:26:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:08,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:08,894 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:08,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:08 BoogieIcfgContainer [2020-07-20 16:26:08,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:08,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:08,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:08,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:08,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:06" (1/3) ... [2020-07-20 16:26:08,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db43d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:08, skipping insertion in model container [2020-07-20 16:26:08,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (2/3) ... [2020-07-20 16:26:08,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db43d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:08, skipping insertion in model container [2020-07-20 16:26:08,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:08" (3/3) ... [2020-07-20 16:26:08,912 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-07-20 16:26:08,921 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:08,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:08,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:08,959 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:08,960 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:08,960 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:08,960 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:08,960 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:08,960 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:08,960 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:08,960 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-20 16:26:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:08,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:08,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:08,994 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:09,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2020-07-20 16:26:09,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:09,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862776721] [2020-07-20 16:26:09,011 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 16:26:09,581 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:09,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:09,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:09,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:09,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:09,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862776721] [2020-07-20 16:26:09,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:09,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:09,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251633972] [2020-07-20 16:26:09,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:09,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:09,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:09,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:09,666 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2020-07-20 16:26:09,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:09,709 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2020-07-20 16:26:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:09,710 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:09,724 INFO L225 Difference]: With dead ends: 226 [2020-07-20 16:26:09,724 INFO L226 Difference]: Without dead ends: 115 [2020-07-20 16:26:09,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 16:26:09,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-20 16:26:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-20 16:26:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-20 16:26:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-20 16:26:09,784 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2020-07-20 16:26:09,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:09,784 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-20 16:26:09,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-20 16:26:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 16:26:09,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:09,789 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:09,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:09,996 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:09,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2020-07-20 16:26:09,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:09,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712103035] [2020-07-20 16:26:09,998 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 16:26:10,519 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:10,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:10,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:10,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:10,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:10,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712103035] [2020-07-20 16:26:10,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:10,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:10,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666842807] [2020-07-20 16:26:10,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:10,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:10,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:10,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:10,573 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2020-07-20 16:26:10,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:10,595 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2020-07-20 16:26:10,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:10,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 16:26:10,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:10,598 INFO L225 Difference]: With dead ends: 202 [2020-07-20 16:26:10,598 INFO L226 Difference]: Without dead ends: 115 [2020-07-20 16:26:10,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 16:26:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-20 16:26:10,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-20 16:26:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-20 16:26:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-07-20 16:26:10,621 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64 [2020-07-20 16:26:10,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:10,624 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-07-20 16:26:10,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-07-20 16:26:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-20 16:26:10,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:10,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:10,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:10,833 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2020-07-20 16:26:10,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:10,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314564992] [2020-07-20 16:26:10,836 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 16:26:11,253 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:11,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:11,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:26:11,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:11,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:11,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314564992] [2020-07-20 16:26:11,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:11,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 16:26:11,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466282036] [2020-07-20 16:26:11,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 16:26:11,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:11,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 16:26:11,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:11,310 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 7 states. [2020-07-20 16:26:12,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:12,010 INFO L93 Difference]: Finished difference Result 294 states and 382 transitions. [2020-07-20 16:26:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 16:26:12,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-20 16:26:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:12,015 INFO L225 Difference]: With dead ends: 294 [2020-07-20 16:26:12,016 INFO L226 Difference]: Without dead ends: 207 [2020-07-20 16:26:12,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:26:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-07-20 16:26:12,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 179. [2020-07-20 16:26:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-07-20 16:26:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 219 transitions. [2020-07-20 16:26:12,045 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 219 transitions. Word has length 72 [2020-07-20 16:26:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:12,046 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 219 transitions. [2020-07-20 16:26:12,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 16:26:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 219 transitions. [2020-07-20 16:26:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 16:26:12,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:12,048 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:12,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:12,264 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:12,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:12,265 INFO L82 PathProgramCache]: Analyzing trace with hash -363269934, now seen corresponding path program 1 times [2020-07-20 16:26:12,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:12,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998168159] [2020-07-20 16:26:12,266 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 16:26:12,695 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:12,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:12,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:12,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:12,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:12,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998168159] [2020-07-20 16:26:12,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:12,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:12,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975328869] [2020-07-20 16:26:12,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:12,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:12,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:12,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:12,729 INFO L87 Difference]: Start difference. First operand 179 states and 219 transitions. Second operand 3 states. [2020-07-20 16:26:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:12,742 INFO L93 Difference]: Finished difference Result 276 states and 327 transitions. [2020-07-20 16:26:12,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:12,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-20 16:26:12,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:12,746 INFO L225 Difference]: With dead ends: 276 [2020-07-20 16:26:12,746 INFO L226 Difference]: Without dead ends: 161 [2020-07-20 16:26:12,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 16:26:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-20 16:26:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-07-20 16:26:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-20 16:26:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 189 transitions. [2020-07-20 16:26:12,766 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 189 transitions. Word has length 83 [2020-07-20 16:26:12,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:12,767 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 189 transitions. [2020-07-20 16:26:12,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions. [2020-07-20 16:26:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 16:26:12,769 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:12,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:12,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:12,983 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:12,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2020-07-20 16:26:12,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:12,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568539542] [2020-07-20 16:26:12,985 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 16:26:13,471 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:13,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:13,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:13,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:13,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:13,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568539542] [2020-07-20 16:26:13,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:13,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:13,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785178759] [2020-07-20 16:26:13,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:13,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:13,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:13,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:13,523 INFO L87 Difference]: Start difference. First operand 161 states and 189 transitions. Second operand 6 states. [2020-07-20 16:26:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:13,558 INFO L93 Difference]: Finished difference Result 299 states and 360 transitions. [2020-07-20 16:26:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:13,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-20 16:26:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:13,561 INFO L225 Difference]: With dead ends: 299 [2020-07-20 16:26:13,561 INFO L226 Difference]: Without dead ends: 166 [2020-07-20 16:26:13,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-20 16:26:13,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-07-20 16:26:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-20 16:26:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 194 transitions. [2020-07-20 16:26:13,580 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 194 transitions. Word has length 87 [2020-07-20 16:26:13,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:13,581 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 194 transitions. [2020-07-20 16:26:13,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 194 transitions. [2020-07-20 16:26:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 16:26:13,583 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:13,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:13,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,797 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2020-07-20 16:26:13,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:13,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190759416] [2020-07-20 16:26:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,942 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:13,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:13,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:13,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:13,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:13,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190759416] [2020-07-20 16:26:13,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:13,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:13,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872511524] [2020-07-20 16:26:13,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:13,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:13,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:13,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:13,979 INFO L87 Difference]: Start difference. First operand 166 states and 194 transitions. Second operand 5 states. [2020-07-20 16:26:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:14,001 INFO L93 Difference]: Finished difference Result 311 states and 377 transitions. [2020-07-20 16:26:14,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:14,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-07-20 16:26:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:14,004 INFO L225 Difference]: With dead ends: 311 [2020-07-20 16:26:14,004 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 16:26:14,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:14,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 16:26:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2020-07-20 16:26:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-20 16:26:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 198 transitions. [2020-07-20 16:26:14,022 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 198 transitions. Word has length 87 [2020-07-20 16:26:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:14,023 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 198 transitions. [2020-07-20 16:26:14,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 198 transitions. [2020-07-20 16:26:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 16:26:14,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:14,025 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:14,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,241 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:14,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2020-07-20 16:26:14,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:14,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002996771] [2020-07-20 16:26:14,244 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,630 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:14,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:14,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:14,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:14,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:14,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002996771] [2020-07-20 16:26:14,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:14,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:14,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733353885] [2020-07-20 16:26:14,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:14,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:14,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:14,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:14,673 INFO L87 Difference]: Start difference. First operand 170 states and 198 transitions. Second operand 3 states. [2020-07-20 16:26:14,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:14,712 INFO L93 Difference]: Finished difference Result 428 states and 532 transitions. [2020-07-20 16:26:14,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:14,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-20 16:26:14,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:14,719 INFO L225 Difference]: With dead ends: 428 [2020-07-20 16:26:14,719 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 16:26:14,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 16:26:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-07-20 16:26:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-07-20 16:26:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 342 transitions. [2020-07-20 16:26:14,766 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 342 transitions. Word has length 87 [2020-07-20 16:26:14,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:14,767 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 342 transitions. [2020-07-20 16:26:14,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 342 transitions. [2020-07-20 16:26:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 16:26:14,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:14,771 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:14,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,982 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:14,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:14,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2020-07-20 16:26:14,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:14,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737268112] [2020-07-20 16:26:14,984 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:15,302 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:15,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:15,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:15,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:15,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:15,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737268112] [2020-07-20 16:26:15,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:15,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:15,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260097312] [2020-07-20 16:26:15,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:15,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:15,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:15,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:15,424 INFO L87 Difference]: Start difference. First operand 283 states and 342 transitions. Second operand 10 states. [2020-07-20 16:26:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:16,653 INFO L93 Difference]: Finished difference Result 749 states and 1033 transitions. [2020-07-20 16:26:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:26:16,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-07-20 16:26:16,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:16,661 INFO L225 Difference]: With dead ends: 749 [2020-07-20 16:26:16,661 INFO L226 Difference]: Without dead ends: 494 [2020-07-20 16:26:16,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 16:26:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-07-20 16:26:16,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 365. [2020-07-20 16:26:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-07-20 16:26:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 445 transitions. [2020-07-20 16:26:16,696 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 445 transitions. Word has length 91 [2020-07-20 16:26:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:16,697 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 445 transitions. [2020-07-20 16:26:16,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 445 transitions. [2020-07-20 16:26:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 16:26:16,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:16,699 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:16,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,912 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:16,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:16,913 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2020-07-20 16:26:16,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:16,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686974415] [2020-07-20 16:26:16,914 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,316 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:17,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:17,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:17,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:17,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:17,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686974415] [2020-07-20 16:26:17,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:17,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:17,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157699272] [2020-07-20 16:26:17,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:17,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:17,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:17,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:17,799 INFO L87 Difference]: Start difference. First operand 365 states and 445 transitions. Second operand 10 states. [2020-07-20 16:26:18,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:18,365 INFO L93 Difference]: Finished difference Result 739 states and 915 transitions. [2020-07-20 16:26:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 16:26:18,366 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-07-20 16:26:18,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:18,366 INFO L225 Difference]: With dead ends: 739 [2020-07-20 16:26:18,367 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:18,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 255 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 16:26:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:18,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:18,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-07-20 16:26:18,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:18,372 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:18,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:18,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:18,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:18,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:19,724 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 16:26:19,957 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2020-07-20 16:26:20,322 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2020-07-20 16:26:20,601 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-20 16:26:21,373 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-07-20 16:26:21,713 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-20 16:26:21,894 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:26:21,894 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:26:21,894 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:26:21,894 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:26:21,894 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:26:21,895 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2020-07-20 16:26:21,896 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-20 16:26:21,897 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2020-07-20 16:26:21,897 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-20 16:26:21,897 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: true [2020-07-20 16:26:21,897 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2020-07-20 16:26:21,897 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2020-07-20 16:26:21,897 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 16:26:21,898 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-07-20 16:26:21,898 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2020-07-20 16:26:21,898 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2020-07-20 16:26:21,898 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 16:26:21,898 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2020-07-20 16:26:21,898 INFO L268 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-07-20 16:26:21,898 INFO L268 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-07-20 16:26:21,899 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:21,899 INFO L268 CegarLoopResult]: For program point L909-1(line 909) no Hoare annotation was computed. [2020-07-20 16:26:21,899 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2020-07-20 16:26:21,899 INFO L268 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-07-20 16:26:21,899 INFO L268 CegarLoopResult]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2020-07-20 16:26:21,899 INFO L271 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: true [2020-07-20 16:26:21,899 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-07-20 16:26:21,900 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 752 774) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,900 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,900 INFO L264 CegarLoopResult]: At program point L764-1(line 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,900 INFO L268 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-07-20 16:26:21,900 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2020-07-20 16:26:21,900 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2020-07-20 16:26:21,901 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 16:26:21,901 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,901 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,901 INFO L264 CegarLoopResult]: At program point L758-1(line 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,901 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2020-07-20 16:26:21,901 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2020-07-20 16:26:21,902 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2020-07-20 16:26:21,902 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2020-07-20 16:26:21,902 INFO L268 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-07-20 16:26:21,902 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-07-20 16:26:21,902 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-20 16:26:21,902 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-07-20 16:26:21,903 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-07-20 16:26:21,903 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-20 16:26:21,903 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-07-20 16:26:21,903 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-07-20 16:26:21,921 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-20 16:26:21,921 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-20 16:26:21,921 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-07-20 16:26:21,921 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-07-20 16:26:21,921 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point L603(lines 603 611) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2020-07-20 16:26:21,922 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:26:21,923 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:26:21,924 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:26:21,924 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:26:21,924 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:26:21,924 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:26:21,924 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,924 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2020-07-20 16:26:21,924 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2020-07-20 16:26:21,925 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2020-07-20 16:26:21,926 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2020-07-20 16:26:21,926 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2020-07-20 16:26:21,926 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2020-07-20 16:26:21,926 INFO L268 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-07-20 16:26:21,926 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2020-07-20 16:26:21,926 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2020-07-20 16:26:21,926 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:21,927 INFO L268 CegarLoopResult]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2020-07-20 16:26:21,927 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 processEnvironment_~tmp~4) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:21,927 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2020-07-20 16:26:21,927 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:21,927 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:21,927 INFO L268 CegarLoopResult]: For program point L531(lines 531 539) no Hoare annotation was computed. [2020-07-20 16:26:21,928 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:21,928 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-20 16:26:21,928 INFO L268 CegarLoopResult]: For program point L527(lines 527 544) no Hoare annotation was computed. [2020-07-20 16:26:21,928 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2020-07-20 16:26:21,928 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2020-07-20 16:26:21,928 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:21,929 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:21,929 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-20 16:26:21,929 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-07-20 16:26:21,929 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2020-07-20 16:26:21,929 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:21,929 INFO L264 CegarLoopResult]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:21,929 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-20 16:26:21,930 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-20 16:26:21,930 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 16:26:21,930 INFO L264 CegarLoopResult]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:26:21,930 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-07-20 16:26:21,930 INFO L264 CegarLoopResult]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:21,930 INFO L268 CegarLoopResult]: For program point L421(lines 420 465) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point L450(lines 450 461) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:26:21,931 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:26:21,932 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:26:21,933 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2020-07-20 16:26:21,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,935 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:26:21,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,935 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2020-07-20 16:26:21,935 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2020-07-20 16:26:21,935 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:21,935 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2020-07-20 16:26:21,935 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2020-07-20 16:26:21,935 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,936 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,937 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,937 INFO L268 CegarLoopResult]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2020-07-20 16:26:21,937 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2020-07-20 16:26:21,937 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2020-07-20 16:26:21,937 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse2)))) [2020-07-20 16:26:21,937 INFO L264 CegarLoopResult]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= 1 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) .cse5)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse2 .cse4 .cse5) .cse6 .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse4 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse8 .cse9 .cse6) (or .cse0 .cse8 .cse9 .cse6 .cse7)))) [2020-07-20 16:26:21,938 INFO L264 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:21,938 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4))) [2020-07-20 16:26:21,938 INFO L268 CegarLoopResult]: For program point L495(lines 491 513) no Hoare annotation was computed. [2020-07-20 16:26:21,938 INFO L268 CegarLoopResult]: For program point L493(lines 491 513) no Hoare annotation was computed. [2020-07-20 16:26:21,938 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2020-07-20 16:26:21,938 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2020-07-20 16:26:21,939 INFO L271 CegarLoopResult]: At program point L704(lines 679 708) the Hoare annotation is: true [2020-07-20 16:26:21,939 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2020-07-20 16:26:21,939 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2020-07-20 16:26:21,939 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-20 16:26:21,939 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-20 16:26:21,939 INFO L271 CegarLoopResult]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2020-07-20 16:26:21,939 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-20 16:26:21,939 INFO L271 CegarLoopResult]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2020-07-20 16:26:21,940 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-20 16:26:21,940 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-20 16:26:21,940 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2020-07-20 16:26:21,940 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2020-07-20 16:26:21,940 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2020-07-20 16:26:21,940 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:21,940 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2020-07-20 16:26:21,941 INFO L268 CegarLoopResult]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2020-07-20 16:26:21,941 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2020-07-20 16:26:21,941 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2020-07-20 16:26:21,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,941 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:21,941 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:21,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:21,941 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2020-07-20 16:26:21,942 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 16:26:21,942 INFO L268 CegarLoopResult]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2020-07-20 16:26:21,942 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2020-07-20 16:26:21,942 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-07-20 16:26:21,942 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2020-07-20 16:26:21,942 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2020-07-20 16:26:21,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:21 BoogieIcfgContainer [2020-07-20 16:26:21,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:21,964 INFO L168 Benchmark]: Toolchain (without parser) took 15037.33 ms. Allocated memory was 144.2 MB in the beginning and 380.6 MB in the end (delta: 236.5 MB). Free memory was 100.8 MB in the beginning and 340.0 MB in the end (delta: -239.2 MB). Peak memory consumption was 219.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:21,965 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:21,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.64 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:21,966 INFO L168 Benchmark]: Boogie Preprocessor took 117.38 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:21,967 INFO L168 Benchmark]: RCFGBuilder took 1161.99 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 199.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:21,968 INFO L168 Benchmark]: TraceAbstraction took 13056.04 ms. Allocated memory was 233.8 MB in the beginning and 380.6 MB in the end (delta: 146.8 MB). Free memory was 199.0 MB in the beginning and 340.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:21,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.64 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.38 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1161.99 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 199.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13056.04 ms. Allocated memory was 233.8 MB in the beginning and 380.6 MB in the end (delta: 146.8 MB). Free memory was 199.0 MB in the beginning and 340.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1296 SDtfs, 914 SDslu, 2221 SDs, 0 SdLazy, 1549 SolverSat, 402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 912 GetRequests, 854 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=8, 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, 9 MinimizatonAttempts, 163 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 712 PreInvPairs, 771 NumberOfFragments, 1278 HoareAnnotationTreeSize, 712 FomulaSimplifications, 1208 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4739 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 764 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 888 ConstructedInterpolants, 0 QuantifiedInterpolants, 159678 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6219 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 82/100 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...