/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:44:59,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:44:59,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:44:59,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:44:59,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:44:59,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:44:59,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:44:59,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:44:59,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:44:59,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:44:59,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:44:59,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:44:59,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:44:59,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:44:59,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:44:59,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:44:59,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:44:59,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:44:59,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:44:59,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:44:59,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:44:59,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:44:59,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:44:59,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:44:59,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:44:59,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:44:59,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:44:59,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:44:59,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:44:59,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:44:59,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:44:59,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:44:59,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:44:59,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:44:59,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:44:59,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:44:59,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:44:59,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:44:59,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:44:59,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:45:00,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:45:00,002 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 [2020-07-19 22:45:00,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:45:00,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:45:00,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:45:00,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:45:00,035 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:45:00,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:45:00,036 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:45:00,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:45:00,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:45:00,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:45:00,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:45:00,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:45:00,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:45:00,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:45:00,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:45:00,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:45:00,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:45:00,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:45:00,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:45:00,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:45:00,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:45:00,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:45:00,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:45:00,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:45:00,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:45:00,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:45:00,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:45:00,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:45:00,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:45:00,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:45:00,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:45:00,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:45:00,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:45:00,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:45:00,355 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:45:00,356 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-07-19 22:45:00,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/399c04182/70da3ee6bbb1450ba34b46cf35d825e4/FLAG2b5ffca38 [2020-07-19 22:45:00,999 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:45:01,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-07-19 22:45:01,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/399c04182/70da3ee6bbb1450ba34b46cf35d825e4/FLAG2b5ffca38 [2020-07-19 22:45:01,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/399c04182/70da3ee6bbb1450ba34b46cf35d825e4 [2020-07-19 22:45:01,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:45:01,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:45:01,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:45:01,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:45:01,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:45:01,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:01,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30eb072a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01, skipping insertion in model container [2020-07-19 22:45:01,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:01,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:45:01,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:45:01,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:45:01,843 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:45:01,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:45:01,961 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:45:01,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01 WrapperNode [2020-07-19 22:45:01,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:45:01,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:45:01,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:45:01,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:45:01,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:01,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:01,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:01,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:02,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:02,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:02,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (1/1) ... [2020-07-19 22:45:02,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:45:02,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:45:02,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:45:02,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:45:02,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (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 [2020-07-19 22:45:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:45:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:45:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:45:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:45:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:45:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:45:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:45:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:45:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:45:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:45:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:45:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:45:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:45:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:45:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:45:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:45:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:45:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:45:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:45:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:45:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:45:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:45:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:45:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:45:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:45:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:45:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:45:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:45:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:45:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:45:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:45:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:45:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:45:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-19 22:45:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:45:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:45:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:45:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:45:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:45:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:45:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:45:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:45:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:45:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:45:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:45:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:45:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:45:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:45:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:45:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:45:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:45:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:45:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:45:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:45:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:45:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:45:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:45:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:45:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:45:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:45:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:45:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:45:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:45:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:45:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:45:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:45:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:45:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:45:03,235 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:45:03,235 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:45:03,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:45:03 BoogieIcfgContainer [2020-07-19 22:45:03,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:45:03,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:45:03,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:45:03,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:45:03,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:45:01" (1/3) ... [2020-07-19 22:45:03,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f54942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:45:03, skipping insertion in model container [2020-07-19 22:45:03,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:01" (2/3) ... [2020-07-19 22:45:03,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f54942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:45:03, skipping insertion in model container [2020-07-19 22:45:03,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:45:03" (3/3) ... [2020-07-19 22:45:03,249 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2020-07-19 22:45:03,260 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:45:03,268 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:45:03,282 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:45:03,308 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:45:03,308 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:45:03,308 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:45:03,308 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:45:03,309 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:45:03,309 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:45:03,309 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:45:03,309 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:45:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-07-19 22:45:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:45:03,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:03,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:03,346 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1779053206, now seen corresponding path program 1 times [2020-07-19 22:45:03,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:03,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665278896] [2020-07-19 22:45:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,070 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:04,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665278896] [2020-07-19 22:45:04,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:04,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:45:04,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242981391] [2020-07-19 22:45:04,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:45:04,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:04,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:45:04,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:45:04,217 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-07-19 22:45:05,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:05,386 INFO L93 Difference]: Finished difference Result 278 states and 364 transitions. [2020-07-19 22:45:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:45:05,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:45:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:05,403 INFO L225 Difference]: With dead ends: 278 [2020-07-19 22:45:05,404 INFO L226 Difference]: Without dead ends: 151 [2020-07-19 22:45:05,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:45:05,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-19 22:45:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 118. [2020-07-19 22:45:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-19 22:45:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2020-07-19 22:45:05,498 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 46 [2020-07-19 22:45:05,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:05,499 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2020-07-19 22:45:05,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:45:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2020-07-19 22:45:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:45:05,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:05,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:05,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:45:05,503 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:05,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:05,504 INFO L82 PathProgramCache]: Analyzing trace with hash 83171531, now seen corresponding path program 1 times [2020-07-19 22:45:05,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:05,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171473127] [2020-07-19 22:45:05,505 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,820 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:05,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171473127] [2020-07-19 22:45:05,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:05,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:45:05,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870447520] [2020-07-19 22:45:05,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:45:05,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:05,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:45:05,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:45:05,893 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 4 states. [2020-07-19 22:45:06,329 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:07,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:07,043 INFO L93 Difference]: Finished difference Result 198 states and 241 transitions. [2020-07-19 22:45:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:45:07,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:45:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:07,049 INFO L225 Difference]: With dead ends: 198 [2020-07-19 22:45:07,049 INFO L226 Difference]: Without dead ends: 135 [2020-07-19 22:45:07,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:45:07,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-19 22:45:07,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 109. [2020-07-19 22:45:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-19 22:45:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2020-07-19 22:45:07,083 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2020-07-19 22:45:07,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:07,084 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2020-07-19 22:45:07,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:45:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2020-07-19 22:45:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:45:07,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:07,086 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] [2020-07-19 22:45:07,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:45:07,087 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:07,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:07,087 INFO L82 PathProgramCache]: Analyzing trace with hash -532729622, now seen corresponding path program 1 times [2020-07-19 22:45:07,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:07,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556650151] [2020-07-19 22:45:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,394 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:07,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556650151] [2020-07-19 22:45:07,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:07,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:45:07,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426414709] [2020-07-19 22:45:07,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:45:07,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:07,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:45:07,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:45:07,486 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 8 states. [2020-07-19 22:45:07,888 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:08,184 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:08,423 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:08,677 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:09,410 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:10,847 INFO L93 Difference]: Finished difference Result 378 states and 466 transitions. [2020-07-19 22:45:10,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:45:10,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:45:10,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:10,856 INFO L225 Difference]: With dead ends: 378 [2020-07-19 22:45:10,856 INFO L226 Difference]: Without dead ends: 293 [2020-07-19 22:45:10,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:45:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-19 22:45:10,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 220. [2020-07-19 22:45:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-19 22:45:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 262 transitions. [2020-07-19 22:45:10,941 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 262 transitions. Word has length 52 [2020-07-19 22:45:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:10,942 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 262 transitions. [2020-07-19 22:45:10,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:45:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 262 transitions. [2020-07-19 22:45:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:45:10,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:10,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:45:10,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:45:10,945 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:10,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:10,946 INFO L82 PathProgramCache]: Analyzing trace with hash 692647563, now seen corresponding path program 1 times [2020-07-19 22:45:10,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:10,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567505833] [2020-07-19 22:45:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,260 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:11,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567505833] [2020-07-19 22:45:11,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:11,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:45:11,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947619966] [2020-07-19 22:45:11,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:45:11,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:11,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:45:11,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:45:11,364 INFO L87 Difference]: Start difference. First operand 220 states and 262 transitions. Second operand 8 states. [2020-07-19 22:45:11,742 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:12,805 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:13,106 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:13,387 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:13,644 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:14,025 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:14,831 INFO L93 Difference]: Finished difference Result 713 states and 925 transitions. [2020-07-19 22:45:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:45:14,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:45:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:14,839 INFO L225 Difference]: With dead ends: 713 [2020-07-19 22:45:14,839 INFO L226 Difference]: Without dead ends: 517 [2020-07-19 22:45:14,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:45:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-07-19 22:45:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 395. [2020-07-19 22:45:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-07-19 22:45:14,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 474 transitions. [2020-07-19 22:45:14,936 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 474 transitions. Word has length 57 [2020-07-19 22:45:14,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:14,937 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 474 transitions. [2020-07-19 22:45:14,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:45:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 474 transitions. [2020-07-19 22:45:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 22:45:14,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:14,940 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] [2020-07-19 22:45:14,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:45:14,940 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:14,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1256704497, now seen corresponding path program 1 times [2020-07-19 22:45:14,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:14,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131792917] [2020-07-19 22:45:14,942 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,245 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:15,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131792917] [2020-07-19 22:45:15,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:15,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:45:15,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385665844] [2020-07-19 22:45:15,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:45:15,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:45:15,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:45:15,389 INFO L87 Difference]: Start difference. First operand 395 states and 474 transitions. Second operand 9 states. [2020-07-19 22:45:15,804 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:16,789 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:17,107 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:17,354 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:17,850 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:18,131 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:18,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:18,997 INFO L93 Difference]: Finished difference Result 1150 states and 1524 transitions. [2020-07-19 22:45:18,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:45:18,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-07-19 22:45:18,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:19,007 INFO L225 Difference]: With dead ends: 1150 [2020-07-19 22:45:19,007 INFO L226 Difference]: Without dead ends: 779 [2020-07-19 22:45:19,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:45:19,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-07-19 22:45:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 615. [2020-07-19 22:45:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-07-19 22:45:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 751 transitions. [2020-07-19 22:45:19,176 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 751 transitions. Word has length 61 [2020-07-19 22:45:19,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:19,176 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 751 transitions. [2020-07-19 22:45:19,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:45:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 751 transitions. [2020-07-19 22:45:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-19 22:45:19,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:19,182 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] [2020-07-19 22:45:19,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:45:19,182 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:19,182 INFO L82 PathProgramCache]: Analyzing trace with hash 148740965, now seen corresponding path program 1 times [2020-07-19 22:45:19,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:19,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072339251] [2020-07-19 22:45:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,461 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:19,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072339251] [2020-07-19 22:45:19,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:19,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:45:19,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869691873] [2020-07-19 22:45:19,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:45:19,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:19,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:45:19,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:45:19,620 INFO L87 Difference]: Start difference. First operand 615 states and 751 transitions. Second operand 9 states. [2020-07-19 22:45:20,042 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:45:21,029 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:21,270 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:45:21,524 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:21,806 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:23,549 INFO L93 Difference]: Finished difference Result 2147 states and 3042 transitions. [2020-07-19 22:45:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:45:23,550 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-07-19 22:45:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:23,570 INFO L225 Difference]: With dead ends: 2147 [2020-07-19 22:45:23,571 INFO L226 Difference]: Without dead ends: 1556 [2020-07-19 22:45:23,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:45:23,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2020-07-19 22:45:24,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1159. [2020-07-19 22:45:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2020-07-19 22:45:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1412 transitions. [2020-07-19 22:45:24,029 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1412 transitions. Word has length 79 [2020-07-19 22:45:24,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:24,030 INFO L479 AbstractCegarLoop]: Abstraction has 1159 states and 1412 transitions. [2020-07-19 22:45:24,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:45:24,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1412 transitions. [2020-07-19 22:45:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-19 22:45:24,039 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:24,039 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] [2020-07-19 22:45:24,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:45:24,045 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:24,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:24,046 INFO L82 PathProgramCache]: Analyzing trace with hash -2136122490, now seen corresponding path program 1 times [2020-07-19 22:45:24,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:24,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696402760] [2020-07-19 22:45:24,047 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,327 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:24,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696402760] [2020-07-19 22:45:24,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:24,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:45:24,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792533383] [2020-07-19 22:45:24,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:45:24,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:24,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:45:24,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:45:24,481 INFO L87 Difference]: Start difference. First operand 1159 states and 1412 transitions. Second operand 9 states. [2020-07-19 22:45:25,723 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:45:25,980 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:45:26,284 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:26,533 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:27,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:27,545 INFO L93 Difference]: Finished difference Result 2704 states and 3585 transitions. [2020-07-19 22:45:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:45:27,546 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-07-19 22:45:27,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:27,558 INFO L225 Difference]: With dead ends: 2704 [2020-07-19 22:45:27,558 INFO L226 Difference]: Without dead ends: 1569 [2020-07-19 22:45:27,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:45:27,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2020-07-19 22:45:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1199. [2020-07-19 22:45:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-07-19 22:45:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1452 transitions. [2020-07-19 22:45:27,837 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1452 transitions. Word has length 79 [2020-07-19 22:45:27,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:27,837 INFO L479 AbstractCegarLoop]: Abstraction has 1199 states and 1452 transitions. [2020-07-19 22:45:27,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:45:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1452 transitions. [2020-07-19 22:45:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-19 22:45:27,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:27,841 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] [2020-07-19 22:45:27,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:45:27,841 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:27,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1649371716, now seen corresponding path program 1 times [2020-07-19 22:45:27,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:27,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455581533] [2020-07-19 22:45:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,132 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:45:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:45:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:45:28,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455581533] [2020-07-19 22:45:28,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:45:28,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:45:28,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872551279] [2020-07-19 22:45:28,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:45:28,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:45:28,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:45:28,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:45:28,276 INFO L87 Difference]: Start difference. First operand 1199 states and 1452 transitions. Second operand 11 states. [2020-07-19 22:45:28,879 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:29,121 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:29,358 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:30,064 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:30,356 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:30,600 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:45:31,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:45:31,475 INFO L93 Difference]: Finished difference Result 2398 states and 3135 transitions. [2020-07-19 22:45:31,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:45:31,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-19 22:45:31,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:45:31,486 INFO L225 Difference]: With dead ends: 2398 [2020-07-19 22:45:31,486 INFO L226 Difference]: Without dead ends: 1223 [2020-07-19 22:45:31,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:45:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-07-19 22:45:31,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 973. [2020-07-19 22:45:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-07-19 22:45:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1148 transitions. [2020-07-19 22:45:31,668 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1148 transitions. Word has length 79 [2020-07-19 22:45:31,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:45:31,668 INFO L479 AbstractCegarLoop]: Abstraction has 973 states and 1148 transitions. [2020-07-19 22:45:31,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:45:31,669 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1148 transitions. [2020-07-19 22:45:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:45:31,671 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:45:31,671 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] [2020-07-19 22:45:31,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:45:31,671 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:45:31,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:45:31,672 INFO L82 PathProgramCache]: Analyzing trace with hash -453271351, now seen corresponding path program 1 times [2020-07-19 22:45:31,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:45:31,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786876627] [2020-07-19 22:45:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51e623ac [2020-07-19 22:45:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:45:31,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:45:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:45:31,761 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:45:31,844 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:45:31,844 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:45:31,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:45:32,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:45:32 BoogieIcfgContainer [2020-07-19 22:45:32,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:45:32,036 INFO L168 Benchmark]: Toolchain (without parser) took 30728.10 ms. Allocated memory was 137.9 MB in the beginning and 694.7 MB in the end (delta: 556.8 MB). Free memory was 101.1 MB in the beginning and 134.3 MB in the end (delta: -33.3 MB). Peak memory consumption was 523.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:45:32,037 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 22:45:32,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.77 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 171.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:45:32,048 INFO L168 Benchmark]: Boogie Preprocessor took 92.39 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:45:32,049 INFO L168 Benchmark]: RCFGBuilder took 1185.88 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.4 MB in the beginning and 199.8 MB in the end (delta: -32.4 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:45:32,050 INFO L168 Benchmark]: TraceAbstraction took 28792.03 ms. Allocated memory was 234.4 MB in the beginning and 694.7 MB in the end (delta: 460.3 MB). Free memory was 198.0 MB in the beginning and 134.3 MB in the end (delta: 63.7 MB). Peak memory consumption was 524.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:45:32,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.77 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 171.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.39 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1185.88 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.4 MB in the beginning and 199.8 MB in the end (delta: -32.4 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28792.03 ms. Allocated memory was 234.4 MB in the beginning and 694.7 MB in the end (delta: 460.3 MB). Free memory was 198.0 MB in the beginning and 134.3 MB in the end (delta: 63.7 MB). Peak memory consumption was 524.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L833] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] int retValue_acc ; [L907] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L913] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] int retValue_acc ; [L435] retValue_acc = 1 [L436] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L913] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L917] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L918] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L356] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND FALSE !(\read(methaneLevelCritical)) [L272] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L366] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___2)) [L380] tmp___1 = __VERIFIER_nondet_int() [L382] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L391] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L75] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L77] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L97] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L100] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L102] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L194] int retValue_acc ; [L195] int tmp ; [L196] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L319] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L322] COND FALSE !(waterLevel < 2) [L326] retValue_acc = 0 [L327] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L200] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] tmp = isHighWaterSensorDry() [L202] COND FALSE !(\read(tmp)) [L205] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L207] retValue_acc = tmp___0 [L208] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L102] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L102] tmp = isHighWaterLevel() [L104] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L106] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L125] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L106] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L77] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L83] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L808] int tmp ; [L809] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L813] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L813] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L813] tmp = isMethaneLevelCritical() [L815] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L817] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L149] int retValue_acc ; [L152] retValue_acc = pumpRunning [L153] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L817] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L817] tmp___0 = isPumpRunning() [L819] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L821] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 28.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 23.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 836 SDtfs, 1659 SDslu, 1108 SDs, 0 SdLazy, 4901 SolverSat, 1142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1199occurred 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: 1.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1435 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 583 NumberOfCodeBlocks, 583 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 145284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...