/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 23:59:11,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 23:59:11,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 23:59:11,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 23:59:11,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 23:59:11,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 23:59:11,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 23:59:11,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 23:59:11,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 23:59:11,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 23:59:11,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 23:59:11,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 23:59:11,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 23:59:11,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 23:59:11,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 23:59:11,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 23:59:11,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 23:59:11,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 23:59:11,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 23:59:11,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 23:59:11,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 23:59:11,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 23:59:11,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 23:59:11,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 23:59:11,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 23:59:11,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 23:59:11,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 23:59:11,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 23:59:11,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 23:59:11,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 23:59:11,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 23:59:11,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 23:59:11,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 23:59:11,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 23:59:11,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 23:59:11,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 23:59:11,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 23:59:11,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 23:59:11,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 23:59:11,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 23:59:11,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 23:59:11,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-06 23:59:11,262 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 23:59:11,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 23:59:11,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 23:59:11,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 23:59:11,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 23:59:11,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 23:59:11,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 23:59:11,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 23:59:11,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 23:59:11,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 23:59:11,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 23:59:11,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 23:59:11,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 23:59:11,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 23:59:11,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 23:59:11,269 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-06 23:59:11,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 23:59:11,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 23:59:11,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 23:59:11,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 23:59:11,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-06 23:59:11,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 23:59:11,271 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 23:59:11,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 23:59:11,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 23:59:11,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 23:59:11,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 23:59:11,735 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 23:59:11,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-11-06 23:59:11,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1527387e/7a4c389513dd44cdb6c5bef31af56edc/FLAG7f0c88880 [2020-11-06 23:59:12,533 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 23:59:12,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-11-06 23:59:12,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1527387e/7a4c389513dd44cdb6c5bef31af56edc/FLAG7f0c88880 [2020-11-06 23:59:12,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1527387e/7a4c389513dd44cdb6c5bef31af56edc [2020-11-06 23:59:12,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 23:59:12,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 23:59:12,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 23:59:12,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 23:59:12,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 23:59:12,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:59:12" (1/1) ... [2020-11-06 23:59:12,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7038f343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:12, skipping insertion in model container [2020-11-06 23:59:12,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:59:12" (1/1) ... [2020-11-06 23:59:12,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 23:59:12,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 23:59:13,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 23:59:13,204 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 23:59:13,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 23:59:13,340 INFO L208 MainTranslator]: Completed translation [2020-11-06 23:59:13,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13 WrapperNode [2020-11-06 23:59:13,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 23:59:13,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 23:59:13,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 23:59:13,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 23:59:13,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (1/1) ... [2020-11-06 23:59:13,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 23:59:13,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 23:59:13,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 23:59:13,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 23:59:13,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (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 [2020-11-06 23:59:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 23:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 23:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 23:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 23:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 23:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 23:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 23:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 23:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 23:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 23:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 23:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 23:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 23:59:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 23:59:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 23:59:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 23:59:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-06 23:59:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 23:59:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 23:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 23:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 23:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 23:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 23:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 23:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 23:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 23:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 23:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 23:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 23:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 23:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 23:59:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 23:59:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 23:59:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 23:59:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 23:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 23:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 23:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 23:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 23:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 23:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 23:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 23:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 23:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 23:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 23:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 23:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 23:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 23:59:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 23:59:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 23:59:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 23:59:14,797 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 23:59:14,797 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 23:59:14,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:59:14 BoogieIcfgContainer [2020-11-06 23:59:14,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 23:59:14,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 23:59:14,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 23:59:14,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 23:59:14,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:59:12" (1/3) ... [2020-11-06 23:59:14,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eb0dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:59:14, skipping insertion in model container [2020-11-06 23:59:14,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:59:13" (2/3) ... [2020-11-06 23:59:14,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eb0dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:59:14, skipping insertion in model container [2020-11-06 23:59:14,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:59:14" (3/3) ... [2020-11-06 23:59:14,815 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-11-06 23:59:14,833 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-06 23:59:14,838 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 23:59:14,852 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 23:59:14,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 23:59:14,884 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 23:59:14,884 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-06 23:59:14,884 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 23:59:14,884 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 23:59:14,884 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 23:59:14,884 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 23:59:14,884 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 23:59:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-11-06 23:59:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-06 23:59:14,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:59:14,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:59:14,948 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:59:14,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:59:14,959 INFO L82 PathProgramCache]: Analyzing trace with hash 104486125, now seen corresponding path program 1 times [2020-11-06 23:59:14,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:59:14,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375264680] [2020-11-06 23:59:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:59:15,051 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:59:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:15,856 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 23:59:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:59:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:15,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-06 23:59:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-06 23:59:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:15,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-06 23:59:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 23:59:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:16,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-06 23:59:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:16,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-06 23:59:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:59:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:59:16,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375264680] [2020-11-06 23:59:16,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:59:16,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 23:59:16,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349284970] [2020-11-06 23:59:16,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 23:59:16,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:59:16,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 23:59:16,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 23:59:16,128 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 3 states. [2020-11-06 23:59:17,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:59:17,464 INFO L93 Difference]: Finished difference Result 375 states and 449 transitions. [2020-11-06 23:59:17,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 23:59:17,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-06 23:59:17,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:59:17,483 INFO L225 Difference]: With dead ends: 375 [2020-11-06 23:59:17,483 INFO L226 Difference]: Without dead ends: 244 [2020-11-06 23:59:17,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 23:59:17,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-06 23:59:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-11-06 23:59:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-06 23:59:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 221 transitions. [2020-11-06 23:59:17,651 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 221 transitions. Word has length 159 [2020-11-06 23:59:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:59:17,652 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 221 transitions. [2020-11-06 23:59:17,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 23:59:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 221 transitions. [2020-11-06 23:59:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-06 23:59:17,658 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:59:17,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:59:17,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 23:59:17,659 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:59:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:59:17,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1235655469, now seen corresponding path program 1 times [2020-11-06 23:59:17,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:59:17,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793377027] [2020-11-06 23:59:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:59:17,665 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:59:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,134 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 23:59:18,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:59:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-06 23:59:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-06 23:59:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-06 23:59:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 23:59:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-06 23:59:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-06 23:59:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-06 23:59:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:59:18,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793377027] [2020-11-06 23:59:18,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:59:18,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 23:59:18,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362277583] [2020-11-06 23:59:18,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 23:59:18,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:59:18,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 23:59:18,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 23:59:18,262 INFO L87 Difference]: Start difference. First operand 207 states and 221 transitions. Second operand 4 states. [2020-11-06 23:59:19,018 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:59:19,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:59:19,634 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2020-11-06 23:59:19,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 23:59:19,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-11-06 23:59:19,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:59:19,639 INFO L225 Difference]: With dead ends: 289 [2020-11-06 23:59:19,639 INFO L226 Difference]: Without dead ends: 227 [2020-11-06 23:59:19,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 23:59:19,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-06 23:59:19,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-11-06 23:59:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-06 23:59:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2020-11-06 23:59:19,773 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 160 [2020-11-06 23:59:19,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:59:19,774 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2020-11-06 23:59:19,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 23:59:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2020-11-06 23:59:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-06 23:59:19,782 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:59:19,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:59:19,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 23:59:19,782 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:59:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:59:19,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1754874064, now seen corresponding path program 1 times [2020-11-06 23:59:19,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:59:19,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898990326] [2020-11-06 23:59:19,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:59:19,787 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:59:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,224 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 23:59:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:59:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-06 23:59:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-06 23:59:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-06 23:59:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 23:59:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-06 23:59:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:59:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-06 23:59:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:59:20,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898990326] [2020-11-06 23:59:20,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:59:20,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 23:59:20,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285322050] [2020-11-06 23:59:20,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 23:59:20,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:59:20,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 23:59:20,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-06 23:59:20,438 INFO L87 Difference]: Start difference. First operand 197 states and 208 transitions. Second operand 9 states. [2020-11-06 23:59:21,073 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 23:59:21,457 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:59:21,737 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:59:22,062 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 23:59:22,361 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:59:22,665 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 23:59:23,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:59:23,701 INFO L93 Difference]: Finished difference Result 309 states and 345 transitions. [2020-11-06 23:59:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 23:59:23,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-11-06 23:59:23,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:59:23,710 INFO L225 Difference]: With dead ends: 309 [2020-11-06 23:59:23,710 INFO L226 Difference]: Without dead ends: 227 [2020-11-06 23:59:23,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-06 23:59:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-06 23:59:23,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-11-06 23:59:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-06 23:59:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2020-11-06 23:59:23,803 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 169 [2020-11-06 23:59:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:59:23,804 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2020-11-06 23:59:23,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 23:59:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2020-11-06 23:59:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-06 23:59:23,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:59:23,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:59:23,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 23:59:23,807 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:59:23,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:59:23,808 INFO L82 PathProgramCache]: Analyzing trace with hash 113794683, now seen corresponding path program 1 times [2020-11-06 23:59:23,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:59:23,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910096615] [2020-11-06 23:59:23,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:59:23,812 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:59:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,132 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 23:59:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:59:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-06 23:59:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-06 23:59:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-06 23:59:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 23:59:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-06 23:59:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:59:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-06 23:59:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-06 23:59:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:59:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:59:24,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910096615] [2020-11-06 23:59:24,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:59:24,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 23:59:24,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459529841] [2020-11-06 23:59:24,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 23:59:24,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:59:24,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 23:59:24,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-11-06 23:59:24,333 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 8 states. [2020-11-06 23:59:24,915 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 23:59:26,159 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 23:59:26,473 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:59:26,785 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 23:59:27,117 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 23:59:27,457 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:59:27,754 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 23:59:28,037 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 23:59:28,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:59:28,366 INFO L93 Difference]: Finished difference Result 375 states and 424 transitions. [2020-11-06 23:59:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 23:59:28,366 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-11-06 23:59:28,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:59:28,370 INFO L225 Difference]: With dead ends: 375 [2020-11-06 23:59:28,370 INFO L226 Difference]: Without dead ends: 293 [2020-11-06 23:59:28,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-06 23:59:28,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-06 23:59:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2020-11-06 23:59:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-11-06 23:59:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-11-06 23:59:28,489 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 172 [2020-11-06 23:59:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:59:28,490 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-11-06 23:59:28,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 23:59:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-11-06 23:59:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-06 23:59:28,493 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:59:28,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:59:28,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 23:59:28,494 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:59:28,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:59:28,494 INFO L82 PathProgramCache]: Analyzing trace with hash 942889727, now seen corresponding path program 1 times [2020-11-06 23:59:28,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:59:28,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415834768] [2020-11-06 23:59:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:59:28,498 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:59:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 23:59:28,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 23:59:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 23:59:28,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 23:59:28,845 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-06 23:59:28,845 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 23:59:28,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 23:59:28,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:59:28 BoogieIcfgContainer [2020-11-06 23:59:28,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 23:59:28,870 INFO L168 Benchmark]: Toolchain (without parser) took 16058.99 ms. Allocated memory was 151.0 MB in the beginning and 436.2 MB in the end (delta: 285.2 MB). Free memory was 126.6 MB in the beginning and 269.0 MB in the end (delta: -142.4 MB). Peak memory consumption was 143.7 MB. Max. memory is 8.0 GB. [2020-11-06 23:59:28,871 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 23:59:28,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 106.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-06 23:59:28,873 INFO L168 Benchmark]: Boogie Preprocessor took 124.67 ms. Allocated memory is still 151.0 MB. Free memory was 106.5 MB in the beginning and 102.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 23:59:28,873 INFO L168 Benchmark]: RCFGBuilder took 1334.40 ms. Allocated memory is still 151.0 MB. Free memory was 102.7 MB in the beginning and 95.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 35.0 MB. Max. memory is 8.0 GB. [2020-11-06 23:59:28,874 INFO L168 Benchmark]: TraceAbstraction took 14064.09 ms. Allocated memory was 151.0 MB in the beginning and 436.2 MB in the end (delta: 285.2 MB). Free memory was 95.1 MB in the beginning and 269.0 MB in the end (delta: -173.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 8.0 GB. [2020-11-06 23:59:28,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 523.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 106.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 124.67 ms. Allocated memory is still 151.0 MB. Free memory was 106.5 MB in the beginning and 102.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1334.40 ms. Allocated memory is still 151.0 MB. Free memory was 102.7 MB in the beginning and 95.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 35.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14064.09 ms. Allocated memory was 151.0 MB in the beginning and 436.2 MB in the end (delta: 285.2 MB). Free memory was 95.1 MB in the beginning and 269.0 MB in the end (delta: -173.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L405] int waterLevel = 1; [L406] int methaneLevelCritical = 0; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L382] int retValue_acc ; [L383] int tmp ; [L387] FCALL select_helpers() [L388] FCALL select_features() [L389] CALL, EXPR valid_product() [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); [L389] RET, EXPR valid_product() [L389] tmp = valid_product() [L391] COND TRUE \read(tmp) [L393] FCALL setup() [L394] CALL runTest() [L376] CALL test() [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 [L171] COND TRUE 1 [L173] COND TRUE splverifierCounter < 4 [L179] tmp = __VERIFIER_nondet_int() [L181] COND TRUE \read(tmp) [L183] CALL waterRise() [L423] COND TRUE waterLevel < 2 [L424] waterLevel = waterLevel + 1 [L183] RET waterRise() [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) [L214] CALL timeShift() [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L67] FCALL processEnvironment() [L73] CALL __utac_acc__Specification3_spec__1() [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L273] CALL, EXPR isMethaneLevelCritical() [L444] int retValue_acc ; [L447] retValue_acc = methaneLevelCritical [L448] return (retValue_acc); [L273] RET, EXPR isMethaneLevelCritical() [L273] tmp = isMethaneLevelCritical() [L275] COND FALSE !(\read(tmp)) [L279] CALL, EXPR getWaterLevel() [L476] int retValue_acc ; [L479] retValue_acc = waterLevel [L480] return (retValue_acc); [L279] RET, EXPR getWaterLevel() [L279] tmp___0 = getWaterLevel() [L281] COND TRUE tmp___0 == 2 [L283] CALL, EXPR isPumpRunning() [L113] int retValue_acc ; [L116] retValue_acc = pumpRunning [L117] return (retValue_acc); [L283] RET, EXPR isPumpRunning() [L283] tmp___1 = isPumpRunning() [L285] COND FALSE !(\read(tmp___1)) [L289] CALL __automaton_fail() [L304] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product01.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 591 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 759 SDtfs, 628 SDslu, 1181 SDs, 0 SdLazy, 1745 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...