/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:41:39,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:41:39,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:41:39,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:41:39,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:41:39,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:41:39,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:41:39,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:41:39,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:41:39,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:41:39,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:41:39,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:41:39,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:41:39,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:41:39,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:41:39,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:41:39,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:41:39,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:41:39,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:41:39,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:41:39,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:41:39,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:41:39,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:41:39,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:41:39,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:41:39,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:41:39,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:41:39,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:41:39,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:41:39,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:41:39,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:41:39,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:41:39,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:41:39,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:41:39,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:41:39,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:41:39,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:41:39,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:41:39,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:41:39,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:41:39,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:41:39,886 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 [2020-07-21 15:41:39,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:41:39,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:41:39,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:41:39,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:41:39,912 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:41:39,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:41:39,913 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:41:39,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:41:39,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:41:39,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:41:39,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:41:39,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:41:39,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:41:39,915 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:41:39,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:41:39,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:41:39,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:41:39,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:41:39,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:41:39,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:41:39,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:41:39,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:41:39,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:41:39,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:41:39,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:41:39,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:41:39,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:39,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:41:39,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:41:39,918 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 -> 2 [2020-07-21 15:41:40,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:41:40,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:41:40,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:41:40,233 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:41:40,233 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:41:40,234 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-21 15:41:40,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852109fa7/928c335a6b3949a59cbbabf78c8ab1a0/FLAGaca49697a [2020-07-21 15:41:40,825 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:41:40,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-21 15:41:40,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852109fa7/928c335a6b3949a59cbbabf78c8ab1a0/FLAGaca49697a [2020-07-21 15:41:41,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852109fa7/928c335a6b3949a59cbbabf78c8ab1a0 [2020-07-21 15:41:41,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:41:41,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:41:41,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:41:41,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:41:41,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:41:41,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b72a91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41, skipping insertion in model container [2020-07-21 15:41:41,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:41:41,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:41:41,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:41:41,604 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:41:41,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:41:41,820 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:41:41,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41 WrapperNode [2020-07-21 15:41:41,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:41:41,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:41:41,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:41:41,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:41:41,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... [2020-07-21 15:41:41,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:41:41,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:41:41,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:41:41,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:41:41,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:41:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:41:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:41:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:41:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:41:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:41:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:41:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:41:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:41:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:41:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:41:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:41:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:41:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:41:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:41:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:41:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:41:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:41:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-21 15:41:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:41:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:41:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:41:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:41:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:41:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:41:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:41:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:41:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:41:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:41:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:41:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:41:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:41:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:41:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:41:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:41:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:41:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:41:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:41:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:41:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:41:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:41:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:41:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:41:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:41:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:41:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:41:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:41:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:41:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:41:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:41:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:41:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:41:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:41:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:41:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:41:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:41:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:41:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:41:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:41:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:41:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:41:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:41:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:41:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:41:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:41:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:41:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:41:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:41:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:41:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:41:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:41:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:41:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:41:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:41:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:41:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:41:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:41:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:41:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:41:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:41:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:41:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:41:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:41:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:41:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:41:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:41:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:41:45,141 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:41:45,142 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:41:45,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:41:45 BoogieIcfgContainer [2020-07-21 15:41:45,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:41:45,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:41:45,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:41:45,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:41:45,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:41:41" (1/3) ... [2020-07-21 15:41:45,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26630719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:41:45, skipping insertion in model container [2020-07-21 15:41:45,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:41" (2/3) ... [2020-07-21 15:41:45,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26630719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:41:45, skipping insertion in model container [2020-07-21 15:41:45,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:41:45" (3/3) ... [2020-07-21 15:41:45,157 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2020-07-21 15:41:45,169 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:41:45,178 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:41:45,193 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:41:45,220 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:41:45,220 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:41:45,221 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:41:45,221 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:41:45,221 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:41:45,221 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:41:45,222 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:41:45,222 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:41:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-21 15:41:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:41:45,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:45,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:45,261 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:45,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:45,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2020-07-21 15:41:45,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:45,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557073232] [2020-07-21 15:41:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:45,690 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:45,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:45,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:41:45,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:45,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:45,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557073232] [2020-07-21 15:41:45,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:45,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:41:45,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141702308] [2020-07-21 15:41:45,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:41:45,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:45,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:41:45,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:45,814 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-21 15:41:45,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:45,878 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2020-07-21 15:41:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:41:45,880 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-21 15:41:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:45,894 INFO L225 Difference]: With dead ends: 306 [2020-07-21 15:41:45,895 INFO L226 Difference]: Without dead ends: 153 [2020-07-21 15:41:45,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-21 15:41:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-21 15:41:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-21 15:41:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-07-21 15:41:45,961 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2020-07-21 15:41:45,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:45,962 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-07-21 15:41:45,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:41:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-07-21 15:41:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 15:41:45,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:45,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:46,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:46,182 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:46,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:46,183 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2020-07-21 15:41:46,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:46,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325369262] [2020-07-21 15:41:46,184 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:46,511 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:46,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:46,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:41:46,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:46,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:46,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325369262] [2020-07-21 15:41:46,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:46,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:46,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761248802] [2020-07-21 15:41:46,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:46,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:46,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:46,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:46,553 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2020-07-21 15:41:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:46,578 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2020-07-21 15:41:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:46,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-21 15:41:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:46,582 INFO L225 Difference]: With dead ends: 251 [2020-07-21 15:41:46,582 INFO L226 Difference]: Without dead ends: 144 [2020-07-21 15:41:46,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:46,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-21 15:41:46,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-21 15:41:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-21 15:41:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-07-21 15:41:46,599 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2020-07-21 15:41:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:46,600 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-07-21 15:41:46,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-07-21 15:41:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-21 15:41:46,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:46,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:46,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:46,816 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:46,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:46,817 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2020-07-21 15:41:46,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:46,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997181283] [2020-07-21 15:41:46,818 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:47,160 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:47,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:47,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:41:47,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:47,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:47,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997181283] [2020-07-21 15:41:47,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:47,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:47,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432850139] [2020-07-21 15:41:47,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:47,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:47,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:47,196 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2020-07-21 15:41:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:47,219 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2020-07-21 15:41:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:47,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-21 15:41:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:47,224 INFO L225 Difference]: With dead ends: 264 [2020-07-21 15:41:47,224 INFO L226 Difference]: Without dead ends: 144 [2020-07-21 15:41:47,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-21 15:41:47,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-21 15:41:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-21 15:41:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-21 15:41:47,240 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2020-07-21 15:41:47,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:47,240 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-21 15:41:47,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-21 15:41:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-21 15:41:47,243 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:47,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:47,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:47,457 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:47,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:47,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2020-07-21 15:41:47,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:47,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039539010] [2020-07-21 15:41:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:47,803 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:47,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:47,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:41:47,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:47,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:47,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039539010] [2020-07-21 15:41:47,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:47,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:47,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185549607] [2020-07-21 15:41:47,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:47,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:47,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:47,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:47,874 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 6 states. [2020-07-21 15:41:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:48,219 INFO L93 Difference]: Finished difference Result 375 states and 468 transitions. [2020-07-21 15:41:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:41:48,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-07-21 15:41:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:48,225 INFO L225 Difference]: With dead ends: 375 [2020-07-21 15:41:48,225 INFO L226 Difference]: Without dead ends: 255 [2020-07-21 15:41:48,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:48,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-21 15:41:48,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-07-21 15:41:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-21 15:41:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2020-07-21 15:41:48,255 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 76 [2020-07-21 15:41:48,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:48,256 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2020-07-21 15:41:48,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2020-07-21 15:41:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-21 15:41:48,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:48,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:48,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:48,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:48,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:48,469 INFO L82 PathProgramCache]: Analyzing trace with hash 214185769, now seen corresponding path program 1 times [2020-07-21 15:41:48,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:48,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43790953] [2020-07-21 15:41:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:48,778 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:48,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:48,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:41:48,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:48,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:48,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43790953] [2020-07-21 15:41:48,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:48,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:48,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847129920] [2020-07-21 15:41:48,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:48,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:48,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:48,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:48,867 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand 6 states. [2020-07-21 15:41:49,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:49,209 INFO L93 Difference]: Finished difference Result 604 states and 771 transitions. [2020-07-21 15:41:49,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:41:49,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-07-21 15:41:49,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:49,213 INFO L225 Difference]: With dead ends: 604 [2020-07-21 15:41:49,213 INFO L226 Difference]: Without dead ends: 375 [2020-07-21 15:41:49,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:49,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-07-21 15:41:49,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2020-07-21 15:41:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-07-21 15:41:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 453 transitions. [2020-07-21 15:41:49,247 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 453 transitions. Word has length 80 [2020-07-21 15:41:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:49,248 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 453 transitions. [2020-07-21 15:41:49,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 453 transitions. [2020-07-21 15:41:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-21 15:41:49,251 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:49,251 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] [2020-07-21 15:41:49,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:49,467 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:49,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:49,468 INFO L82 PathProgramCache]: Analyzing trace with hash 689492393, now seen corresponding path program 1 times [2020-07-21 15:41:49,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:49,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871141322] [2020-07-21 15:41:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:49,765 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:49,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:49,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:41:49,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:49,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:49,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871141322] [2020-07-21 15:41:49,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:49,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 15:41:49,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097775313] [2020-07-21 15:41:49,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 15:41:49,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:49,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 15:41:49,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:41:49,857 INFO L87 Difference]: Start difference. First operand 371 states and 453 transitions. Second operand 11 states. [2020-07-21 15:41:50,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:50,601 INFO L93 Difference]: Finished difference Result 1038 states and 1319 transitions. [2020-07-21 15:41:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:41:50,601 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-07-21 15:41:50,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:50,606 INFO L225 Difference]: With dead ends: 1038 [2020-07-21 15:41:50,606 INFO L226 Difference]: Without dead ends: 691 [2020-07-21 15:41:50,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:41:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-21 15:41:50,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 683. [2020-07-21 15:41:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-07-21 15:41:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 838 transitions. [2020-07-21 15:41:50,682 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 838 transitions. Word has length 82 [2020-07-21 15:41:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:50,684 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 838 transitions. [2020-07-21 15:41:50,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 15:41:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 838 transitions. [2020-07-21 15:41:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-21 15:41:50,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:50,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:50,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:50,897 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:50,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:50,898 INFO L82 PathProgramCache]: Analyzing trace with hash 3076629, now seen corresponding path program 1 times [2020-07-21 15:41:50,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:50,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664407589] [2020-07-21 15:41:50,898 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:51,146 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:51,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:51,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:41:51,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:51,204 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 15:41:51,204 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 15:41:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:51,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:51,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664407589] [2020-07-21 15:41:51,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:51,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-21 15:41:51,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129991163] [2020-07-21 15:41:51,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 15:41:51,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:51,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 15:41:51,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-21 15:41:51,270 INFO L87 Difference]: Start difference. First operand 683 states and 838 transitions. Second operand 9 states. [2020-07-21 15:41:51,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:51,948 INFO L93 Difference]: Finished difference Result 1938 states and 2517 transitions. [2020-07-21 15:41:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-21 15:41:51,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-07-21 15:41:51,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:51,961 INFO L225 Difference]: With dead ends: 1938 [2020-07-21 15:41:51,961 INFO L226 Difference]: Without dead ends: 1279 [2020-07-21 15:41:51,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-07-21 15:41:51,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-07-21 15:41:52,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1203. [2020-07-21 15:41:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-07-21 15:41:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1509 transitions. [2020-07-21 15:41:52,075 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1509 transitions. Word has length 89 [2020-07-21 15:41:52,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:52,076 INFO L479 AbstractCegarLoop]: Abstraction has 1203 states and 1509 transitions. [2020-07-21 15:41:52,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 15:41:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1509 transitions. [2020-07-21 15:41:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-21 15:41:52,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:52,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:52,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:52,294 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:52,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:52,295 INFO L82 PathProgramCache]: Analyzing trace with hash -391290157, now seen corresponding path program 1 times [2020-07-21 15:41:52,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:52,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048930882] [2020-07-21 15:41:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:52,535 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:52,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:52,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 15:41:52,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:52,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:52,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048930882] [2020-07-21 15:41:52,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:52,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:41:52,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091247431] [2020-07-21 15:41:52,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:41:52,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:52,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:41:52,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:52,571 INFO L87 Difference]: Start difference. First operand 1203 states and 1509 transitions. Second operand 5 states. [2020-07-21 15:41:53,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:53,163 INFO L93 Difference]: Finished difference Result 2380 states and 3080 transitions. [2020-07-21 15:41:53,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:41:53,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-07-21 15:41:53,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:53,170 INFO L225 Difference]: With dead ends: 2380 [2020-07-21 15:41:53,170 INFO L226 Difference]: Without dead ends: 1201 [2020-07-21 15:41:53,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-07-21 15:41:53,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1111. [2020-07-21 15:41:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2020-07-21 15:41:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1273 transitions. [2020-07-21 15:41:53,236 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1273 transitions. Word has length 89 [2020-07-21 15:41:53,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:53,237 INFO L479 AbstractCegarLoop]: Abstraction has 1111 states and 1273 transitions. [2020-07-21 15:41:53,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:41:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1273 transitions. [2020-07-21 15:41:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 15:41:53,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:53,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:53,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:53,454 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:53,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:53,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2020-07-21 15:41:53,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:53,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386832041] [2020-07-21 15:41:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:53,668 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:53,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:53,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:41:53,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:53,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:53,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386832041] [2020-07-21 15:41:53,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:53,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:41:53,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763338929] [2020-07-21 15:41:53,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:41:53,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:53,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:41:53,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:53,710 INFO L87 Difference]: Start difference. First operand 1111 states and 1273 transitions. Second operand 5 states. [2020-07-21 15:41:53,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:53,763 INFO L93 Difference]: Finished difference Result 2210 states and 2554 transitions. [2020-07-21 15:41:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:41:53,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-21 15:41:53,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:53,772 INFO L225 Difference]: With dead ends: 2210 [2020-07-21 15:41:53,772 INFO L226 Difference]: Without dead ends: 1123 [2020-07-21 15:41:53,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-07-21 15:41:53,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1111. [2020-07-21 15:41:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2020-07-21 15:41:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1271 transitions. [2020-07-21 15:41:53,830 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1271 transitions. Word has length 94 [2020-07-21 15:41:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:53,831 INFO L479 AbstractCegarLoop]: Abstraction has 1111 states and 1271 transitions. [2020-07-21 15:41:53,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:41:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1271 transitions. [2020-07-21 15:41:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 15:41:53,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:53,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:54,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:54,049 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:54,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:54,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2020-07-21 15:41:54,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:54,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82926272] [2020-07-21 15:41:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:54,301 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:54,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:54,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 15:41:54,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:54,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:54,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82926272] [2020-07-21 15:41:54,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:54,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:54,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118978146] [2020-07-21 15:41:54,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:54,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:54,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:54,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:54,347 INFO L87 Difference]: Start difference. First operand 1111 states and 1271 transitions. Second operand 6 states. [2020-07-21 15:41:54,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:54,434 INFO L93 Difference]: Finished difference Result 2206 states and 2568 transitions. [2020-07-21 15:41:54,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:41:54,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-21 15:41:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:54,441 INFO L225 Difference]: With dead ends: 2206 [2020-07-21 15:41:54,442 INFO L226 Difference]: Without dead ends: 1119 [2020-07-21 15:41:54,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:41:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-07-21 15:41:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1107. [2020-07-21 15:41:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-07-21 15:41:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1265 transitions. [2020-07-21 15:41:54,501 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1265 transitions. Word has length 94 [2020-07-21 15:41:54,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:54,501 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1265 transitions. [2020-07-21 15:41:54,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1265 transitions. [2020-07-21 15:41:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-21 15:41:54,505 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:54,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:54,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:54,721 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:54,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:54,721 INFO L82 PathProgramCache]: Analyzing trace with hash -913230278, now seen corresponding path program 1 times [2020-07-21 15:41:54,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:54,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065274067] [2020-07-21 15:41:54,722 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:55,136 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:55,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:55,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:41:55,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 15:41:55,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:41:55,510 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:41:55,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:41:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 15:41:55,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065274067] [2020-07-21 15:41:55,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:41:55,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-07-21 15:41:55,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512819861] [2020-07-21 15:41:55,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-21 15:41:55,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:55,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-21 15:41:55,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-21 15:41:55,707 INFO L87 Difference]: Start difference. First operand 1107 states and 1265 transitions. Second operand 15 states. [2020-07-21 15:41:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:57,329 INFO L93 Difference]: Finished difference Result 2804 states and 3660 transitions. [2020-07-21 15:41:57,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 15:41:57,329 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 161 [2020-07-21 15:41:57,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:57,330 INFO L225 Difference]: With dead ends: 2804 [2020-07-21 15:41:57,331 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:41:57,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 300 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-21 15:41:57,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:41:57,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:41:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:41:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:41:57,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-07-21 15:41:57,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:57,341 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:41:57,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-21 15:41:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:41:57,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:41:57,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:57,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:42:00,079 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2020-07-21 15:42:00,366 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2020-07-21 15:42:00,522 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2020-07-21 15:42:00,740 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-07-21 15:42:00,860 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2020-07-21 15:42:01,306 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-07-21 15:42:01,553 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 20 [2020-07-21 15:42:01,886 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-07-21 15:42:02,653 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-07-21 15:42:02,783 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-21 15:42:02,784 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-07-21 15:42:02,784 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 15:42:02,784 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-07-21 15:42:02,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-07-21 15:42:02,784 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-07-21 15:42:02,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-07-21 15:42:02,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-07-21 15:42:02,785 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-21 15:42:02,785 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-21 15:42:02,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-07-21 15:42:02,785 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 15:42:02,786 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-07-21 15:42:02,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-07-21 15:42:02,786 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-07-21 15:42:02,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-07-21 15:42:02,786 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 15:42:02,786 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-21 15:42:02,787 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2020-07-21 15:42:02,787 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-21 15:42:02,787 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2020-07-21 15:42:02,787 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2020-07-21 15:42:02,787 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2020-07-21 15:42:02,787 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,787 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2020-07-21 15:42:02,788 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,788 INFO L264 CegarLoopResult]: At program point L241-1(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,788 INFO L268 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2020-07-21 15:42:02,788 INFO L268 CegarLoopResult]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2020-07-21 15:42:02,788 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-21 15:42:02,788 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2020-07-21 15:42:02,788 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,789 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,789 INFO L264 CegarLoopResult]: At program point L235-1(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,789 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 15:42:02,789 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-21 15:42:02,789 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2020-07-21 15:42:02,789 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-21 15:42:02,789 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 15:42:02,790 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2020-07-21 15:42:02,791 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-21 15:42:02,792 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2020-07-21 15:42:02,792 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2020-07-21 15:42:02,792 INFO L268 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2020-07-21 15:42:02,792 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-21 15:42:02,792 INFO L268 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2020-07-21 15:42:02,792 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2020-07-21 15:42:02,792 INFO L268 CegarLoopResult]: For program point L923(lines 923 931) no Hoare annotation was computed. [2020-07-21 15:42:02,792 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point L935(lines 935 943) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2020-07-21 15:42:02,793 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-21 15:42:02,794 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-21 15:42:02,795 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,795 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2020-07-21 15:42:02,795 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2020-07-21 15:42:02,795 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2020-07-21 15:42:02,795 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-21 15:42:02,795 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-21 15:42:02,795 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-21 15:42:02,795 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-21 15:42:02,796 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) [2020-07-21 15:42:02,796 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2020-07-21 15:42:02,796 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2020-07-21 15:42:02,796 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-21 15:42:02,796 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-21 15:42:02,796 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-21 15:42:02,796 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-21 15:42:02,797 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:42:02,797 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-07-21 15:42:02,797 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:42:02,797 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-21 15:42:02,797 INFO L268 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2020-07-21 15:42:02,797 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2020-07-21 15:42:02,798 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,798 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse1 (not (<= ~waterLevel~0 2)) (not .cse0) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,798 INFO L268 CegarLoopResult]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2020-07-21 15:42:02,798 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-21 15:42:02,798 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2020-07-21 15:42:02,798 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2020-07-21 15:42:02,798 INFO L264 CegarLoopResult]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,799 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,799 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-21 15:42:02,799 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2020-07-21 15:42:02,799 INFO L268 CegarLoopResult]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2020-07-21 15:42:02,799 INFO L264 CegarLoopResult]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1))) [2020-07-21 15:42:02,799 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1))) [2020-07-21 15:42:02,799 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-07-21 15:42:02,800 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-07-21 15:42:02,800 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-07-21 15:42:02,800 INFO L264 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,800 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-21 15:42:02,800 INFO L264 CegarLoopResult]: At program point L747-2(lines 739 752) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,800 INFO L268 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-07-21 15:42:02,801 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-21 15:42:02,802 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-07-21 15:42:02,803 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-07-21 15:42:02,804 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,805 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)|)) [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2020-07-21 15:42:02,805 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2020-07-21 15:42:02,806 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:02,806 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 15:42:02,806 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 15:42:02,806 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 15:42:02,806 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-21 15:42:02,806 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2020-07-21 15:42:02,806 INFO L271 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: true [2020-07-21 15:42:02,806 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2020-07-21 15:42:02,807 INFO L268 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2020-07-21 15:42:02,807 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2020-07-21 15:42:02,807 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2020-07-21 15:42:02,807 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-21 15:42:02,807 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (= |old(~methaneLevelCritical~0)| 0) (not (= 0 ~methaneLevelCritical~0))) [2020-07-21 15:42:02,807 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-21 15:42:02,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,808 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,808 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,808 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-21 15:42:02,808 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-21 15:42:02,808 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-21 15:42:02,808 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not .cse1) .cse2 (and .cse3 (= 0 ~pumpRunning~0))) (or .cse1 .cse0 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1)) .cse2) (or .cse0 (not (= 0 |old(~waterLevel~0)|)) (= 0 ~waterLevel~0)))) [2020-07-21 15:42:02,809 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (not (= 0 |old(~waterLevel~0)|)) (= 0 ~waterLevel~0)))) [2020-07-21 15:42:02,809 INFO L264 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)) (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (or .cse1 (not (= 0 |old(~waterLevel~0)|)) (= 0 ~waterLevel~0)) (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 (and .cse5 (not .cse2)) (and .cse5 .cse4) .cse3)))) [2020-07-21 15:42:02,809 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2020-07-21 15:42:02,809 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~waterLevel~0)|)) (= 0 ~waterLevel~0)))) [2020-07-21 15:42:02,809 INFO L268 CegarLoopResult]: For program point L775(lines 774 793) no Hoare annotation was computed. [2020-07-21 15:42:02,809 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2020-07-21 15:42:02,809 INFO L271 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2020-07-21 15:42:02,810 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2020-07-21 15:42:02,810 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-07-21 15:42:02,810 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-07-21 15:42:02,810 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2020-07-21 15:42:02,810 INFO L271 CegarLoopResult]: At program point L178(lines 153 182) the Hoare annotation is: true [2020-07-21 15:42:02,810 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-21 15:42:02,810 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-07-21 15:42:02,811 INFO L271 CegarLoopResult]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2020-07-21 15:42:02,811 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-21 15:42:02,811 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,811 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2020-07-21 15:42:02,811 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-07-21 15:42:02,811 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2020-07-21 15:42:02,811 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (<= ~waterLevel~0 2)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,812 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-07-21 15:42:02,812 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-07-21 15:42:02,812 INFO L268 CegarLoopResult]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2020-07-21 15:42:02,812 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,812 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-21 15:42:02,812 INFO L268 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2020-07-21 15:42:02,812 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-21 15:42:02,812 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-21 15:42:02,813 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= 0 |old(~waterLevel~0)|)) (= 0 ~waterLevel~0)))) [2020-07-21 15:42:02,813 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-21 15:42:02,813 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-21 15:42:02,813 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-21 15:42:02,813 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2020-07-21 15:42:02,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,813 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:42:02,814 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:42:02,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:02,814 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2020-07-21 15:42:02,814 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:02,814 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2020-07-21 15:42:02,814 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,814 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2020-07-21 15:42:02,814 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:42:02,815 INFO L268 CegarLoopResult]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2020-07-21 15:42:02,815 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not .cse2)) (or .cse1 (not (<= ~waterLevel~0 2)) (not .cse0) (and (= 0 ~pumpRunning~0) .cse2)))) [2020-07-21 15:42:02,815 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (let ((.cse2 (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 2)) (not .cse1) (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse2) (and .cse2 .cse3))) (or .cse1 .cse0 (not .cse3)))) [2020-07-21 15:42:02,815 INFO L268 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-07-21 15:42:02,815 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse1 (not (<= ~waterLevel~0 2)) (not .cse0) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,815 INFO L268 CegarLoopResult]: For program point L809-1(line 809) no Hoare annotation was computed. [2020-07-21 15:42:02,815 INFO L268 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-07-21 15:42:02,815 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-21 15:42:02,816 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-21 15:42:02,816 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-07-21 15:42:02,816 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-21 15:42:02,816 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2020-07-21 15:42:02,816 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2020-07-21 15:42:02,816 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-21 15:42:02,816 INFO L268 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2020-07-21 15:42:02,816 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2020-07-21 15:42:02,817 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,817 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse1 (not (<= ~waterLevel~0 2)) (not .cse0) (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:02,817 INFO L268 CegarLoopResult]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2020-07-21 15:42:02,817 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:42:02,817 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:42:02,817 INFO L268 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2020-07-21 15:42:02,817 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:42:02,818 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-21 15:42:02,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:42:02 BoogieIcfgContainer [2020-07-21 15:42:02,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:42:02,837 INFO L168 Benchmark]: Toolchain (without parser) took 21697.87 ms. Allocated memory was 143.7 MB in the beginning and 485.0 MB in the end (delta: 341.3 MB). Free memory was 100.9 MB in the beginning and 221.5 MB in the end (delta: -120.6 MB). Peak memory consumption was 304.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:02,838 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 15:42:02,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.91 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 170.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:02,839 INFO L168 Benchmark]: Boogie Preprocessor took 85.64 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 166.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:02,840 INFO L168 Benchmark]: RCFGBuilder took 3241.08 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 166.1 MB in the beginning and 193.1 MB in the end (delta: -27.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:02,841 INFO L168 Benchmark]: TraceAbstraction took 17685.64 ms. Allocated memory was 231.2 MB in the beginning and 485.0 MB in the end (delta: 253.8 MB). Free memory was 193.1 MB in the beginning and 221.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 309.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:02,845 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.91 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 170.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.64 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 166.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3241.08 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 166.1 MB in the beginning and 193.1 MB in the end (delta: -27.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17685.64 ms. Allocated memory was 231.2 MB in the beginning and 485.0 MB in the end (delta: 253.8 MB). Free memory was 193.1 MB in the beginning and 221.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 309.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && !(0 == pumpRunning)) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((waterLevel <= 1 && splverifierCounter <= 0) && 1 <= systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2167 SDtfs, 1454 SDslu, 6413 SDs, 0 SdLazy, 2355 SolverSat, 665 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1113 GetRequests, 1024 SyntacticMatches, 12 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1203occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 204 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3475 PreInvPairs, 3999 NumberOfFragments, 1231 HoareAnnotationTreeSize, 3475 FomulaSimplifications, 10473 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 12775 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 928 NumberOfCodeBlocks, 881 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1077 ConstructedInterpolants, 0 QuantifiedInterpolants, 218682 SizeOfPredicates, 36 NumberOfNonLiveVariables, 8026 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 61/73 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...