./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-01_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-01_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:47,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:47,659 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:47,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:47,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:47,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:47,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:47,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:47,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:47,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:47,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:47,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:47,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:47,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:47,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:47,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:47,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:47,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:47,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:47,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:47,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:47,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:47,679 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:47,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:47,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:47,680 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:47,681 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:47,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:47,682 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:47,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:47,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:47,683 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:47,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:47,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:47,684 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:47,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:47,685 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 08:34:47,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:47,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:47,693 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:47,693 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:34:47,693 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:47,693 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:47,694 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:47,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:47,694 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:47,694 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:47,694 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:47,694 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:47,695 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:47,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:47,696 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:47,696 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:47,696 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:47,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:47,696 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:47,697 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:47,697 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:47,697 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:47,697 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:47,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:47,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd [2018-11-18 08:34:47,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:47,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:47,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:47,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:47,730 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:47,730 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/dll-01_false-unreach-call_false-valid-memcleanup.i [2018-11-18 08:34:47,773 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/data/fdaa038c2/59688119a3cf46e2baf9caf06dee6501/FLAG78d6b64f6 [2018-11-18 08:34:48,184 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:48,185 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/sv-benchmarks/c/forester-heap/dll-01_false-unreach-call_false-valid-memcleanup.i [2018-11-18 08:34:48,191 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/data/fdaa038c2/59688119a3cf46e2baf9caf06dee6501/FLAG78d6b64f6 [2018-11-18 08:34:48,199 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/data/fdaa038c2/59688119a3cf46e2baf9caf06dee6501 [2018-11-18 08:34:48,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:48,202 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:48,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:48,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:48,205 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:48,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2995dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48, skipping insertion in model container [2018-11-18 08:34:48,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:48,247 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:48,430 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:48,435 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:48,471 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:48,541 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:48,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48 WrapperNode [2018-11-18 08:34:48,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:48,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:48,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:48,542 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:48,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... [2018-11-18 08:34:48,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:48,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:48,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:48,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:48,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/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 [2018-11-18 08:34:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 08:34:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 08:34:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 08:34:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 08:34:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 08:34:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 08:34:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 08:34:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 08:34:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 08:34:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 08:34:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 08:34:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 08:34:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 08:34:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:49,060 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:49,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:49 BoogieIcfgContainer [2018-11-18 08:34:49,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:49,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:49,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:49,063 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:49,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:48" (1/3) ... [2018-11-18 08:34:49,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e309aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:49, skipping insertion in model container [2018-11-18 08:34:49,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:48" (2/3) ... [2018-11-18 08:34:49,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e309aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:49, skipping insertion in model container [2018-11-18 08:34:49,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:49" (3/3) ... [2018-11-18 08:34:49,065 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-01_false-unreach-call_false-valid-memcleanup.i [2018-11-18 08:34:49,070 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:49,076 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-18 08:34:49,085 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-18 08:34:49,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:49,105 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:49,105 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:49,105 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:49,105 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:49,105 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:49,106 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:49,106 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:49,106 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-11-18 08:34:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 08:34:49,124 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,124 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:49,126 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1590476792, now seen corresponding path program 1 times [2018-11-18 08:34:49,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:49,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:49,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:49,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:49,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:49,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:49,247 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 3 states. [2018-11-18 08:34:49,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:49,311 INFO L93 Difference]: Finished difference Result 210 states and 326 transitions. [2018-11-18 08:34:49,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:49,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 08:34:49,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:49,319 INFO L225 Difference]: With dead ends: 210 [2018-11-18 08:34:49,319 INFO L226 Difference]: Without dead ends: 112 [2018-11-18 08:34:49,322 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-18 08:34:49,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 92. [2018-11-18 08:34:49,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 08:34:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2018-11-18 08:34:49,349 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 9 [2018-11-18 08:34:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:49,349 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2018-11-18 08:34:49,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2018-11-18 08:34:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 08:34:49,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,350 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:49,350 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,351 INFO L82 PathProgramCache]: Analyzing trace with hash 528636434, now seen corresponding path program 1 times [2018-11-18 08:34:49,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:49,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:49,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:49,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:49,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:49,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:49,391 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 3 states. [2018-11-18 08:34:49,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:49,401 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2018-11-18 08:34:49,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:49,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 08:34:49,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:49,402 INFO L225 Difference]: With dead ends: 95 [2018-11-18 08:34:49,402 INFO L226 Difference]: Without dead ends: 93 [2018-11-18 08:34:49,403 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-18 08:34:49,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-18 08:34:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-18 08:34:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2018-11-18 08:34:49,408 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 15 [2018-11-18 08:34:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:49,408 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2018-11-18 08:34:49,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2018-11-18 08:34:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 08:34:49,408 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,409 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:49,409 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,409 INFO L82 PathProgramCache]: Analyzing trace with hash 528638356, now seen corresponding path program 1 times [2018-11-18 08:34:49,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:49,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:49,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:49,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:49,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:49,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:49,466 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 4 states. [2018-11-18 08:34:49,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:49,535 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2018-11-18 08:34:49,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:49,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-18 08:34:49,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:49,536 INFO L225 Difference]: With dead ends: 94 [2018-11-18 08:34:49,536 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 08:34:49,537 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:49,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 08:34:49,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2018-11-18 08:34:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-18 08:34:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 99 transitions. [2018-11-18 08:34:49,542 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 99 transitions. Word has length 15 [2018-11-18 08:34:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:49,542 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 99 transitions. [2018-11-18 08:34:49,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2018-11-18 08:34:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 08:34:49,543 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,543 INFO L375 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] [2018-11-18 08:34:49,543 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,544 INFO L82 PathProgramCache]: Analyzing trace with hash 800249225, now seen corresponding path program 1 times [2018-11-18 08:34:49,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:49,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:49,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:49,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:49,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:49,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:49,618 INFO L87 Difference]: Start difference. First operand 90 states and 99 transitions. Second operand 4 states. [2018-11-18 08:34:49,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:49,751 INFO L93 Difference]: Finished difference Result 228 states and 250 transitions. [2018-11-18 08:34:49,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:49,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-18 08:34:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:49,753 INFO L225 Difference]: With dead ends: 228 [2018-11-18 08:34:49,753 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 08:34:49,754 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:49,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 08:34:49,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 92. [2018-11-18 08:34:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 08:34:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2018-11-18 08:34:49,760 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 22 [2018-11-18 08:34:49,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:49,761 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2018-11-18 08:34:49,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2018-11-18 08:34:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 08:34:49,761 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,761 INFO L375 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] [2018-11-18 08:34:49,762 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,762 INFO L82 PathProgramCache]: Analyzing trace with hash 407222215, now seen corresponding path program 1 times [2018-11-18 08:34:49,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:49,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:49,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:49,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:34:49,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:49,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:49,823 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 5 states. [2018-11-18 08:34:49,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:49,892 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-11-18 08:34:49,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:49,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-18 08:34:49,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:49,894 INFO L225 Difference]: With dead ends: 145 [2018-11-18 08:34:49,894 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 08:34:49,894 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:49,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 08:34:49,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 88. [2018-11-18 08:34:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-18 08:34:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2018-11-18 08:34:49,903 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 22 [2018-11-18 08:34:49,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:49,903 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2018-11-18 08:34:49,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:34:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2018-11-18 08:34:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:34:49,904 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,904 INFO L375 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] [2018-11-18 08:34:49,904 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,905 INFO L82 PathProgramCache]: Analyzing trace with hash -260673469, now seen corresponding path program 1 times [2018-11-18 08:34:49,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:49,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:49,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:49,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:49,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:49,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:49,934 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 4 states. [2018-11-18 08:34:49,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:49,981 INFO L93 Difference]: Finished difference Result 155 states and 169 transitions. [2018-11-18 08:34:49,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:49,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-11-18 08:34:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:49,982 INFO L225 Difference]: With dead ends: 155 [2018-11-18 08:34:49,982 INFO L226 Difference]: Without dead ends: 133 [2018-11-18 08:34:49,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-18 08:34:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 88. [2018-11-18 08:34:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-18 08:34:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2018-11-18 08:34:49,990 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 23 [2018-11-18 08:34:49,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:49,990 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2018-11-18 08:34:49,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2018-11-18 08:34:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:34:49,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:49,991 INFO L375 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] [2018-11-18 08:34:49,991 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:49,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:49,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1441611381, now seen corresponding path program 1 times [2018-11-18 08:34:49,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:49,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:49,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:49,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:49,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:50,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:50,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:50,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:50,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:50,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:50,039 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2018-11-18 08:34:50,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:50,057 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2018-11-18 08:34:50,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:50,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 08:34:50,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:50,058 INFO L225 Difference]: With dead ends: 164 [2018-11-18 08:34:50,059 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 08:34:50,059 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:50,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 08:34:50,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 93. [2018-11-18 08:34:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-18 08:34:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2018-11-18 08:34:50,065 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 30 [2018-11-18 08:34:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:50,066 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2018-11-18 08:34:50,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2018-11-18 08:34:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:34:50,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:50,067 INFO L375 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] [2018-11-18 08:34:50,067 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:50,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:50,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1740492039, now seen corresponding path program 1 times [2018-11-18 08:34:50,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:50,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:50,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:50,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:50,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:50,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:50,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:50,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:50,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:50,093 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 3 states. [2018-11-18 08:34:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:50,102 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-11-18 08:34:50,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:50,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 08:34:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:50,103 INFO L225 Difference]: With dead ends: 93 [2018-11-18 08:34:50,103 INFO L226 Difference]: Without dead ends: 91 [2018-11-18 08:34:50,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-18 08:34:50,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 08:34:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 08:34:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2018-11-18 08:34:50,109 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 31 [2018-11-18 08:34:50,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:50,109 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2018-11-18 08:34:50,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2018-11-18 08:34:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:34:50,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:50,110 INFO L375 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] [2018-11-18 08:34:50,110 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:50,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:50,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1322889158, now seen corresponding path program 1 times [2018-11-18 08:34:50,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:50,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:50,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:50,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:50,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:50,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:50,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:50,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:50,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:50,133 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 3 states. [2018-11-18 08:34:50,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:50,151 INFO L93 Difference]: Finished difference Result 94 states and 104 transitions. [2018-11-18 08:34:50,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:50,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 08:34:50,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:50,152 INFO L225 Difference]: With dead ends: 94 [2018-11-18 08:34:50,152 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 08:34:50,153 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:50,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 08:34:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 08:34:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 08:34:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2018-11-18 08:34:50,157 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 31 [2018-11-18 08:34:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:50,158 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2018-11-18 08:34:50,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2018-11-18 08:34:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:34:50,158 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:50,158 INFO L375 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] [2018-11-18 08:34:50,159 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:50,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:50,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1322887236, now seen corresponding path program 1 times [2018-11-18 08:34:50,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:50,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:50,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:50,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:50,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:50,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:50,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:50,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:50,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:50,200 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 4 states. [2018-11-18 08:34:50,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:50,249 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-11-18 08:34:50,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:50,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-11-18 08:34:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:50,250 INFO L225 Difference]: With dead ends: 93 [2018-11-18 08:34:50,250 INFO L226 Difference]: Without dead ends: 91 [2018-11-18 08:34:50,250 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-18 08:34:50,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2018-11-18 08:34:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-11-18 08:34:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2018-11-18 08:34:50,254 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 31 [2018-11-18 08:34:50,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:50,254 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2018-11-18 08:34:50,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2018-11-18 08:34:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:34:50,255 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:50,255 INFO L375 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] [2018-11-18 08:34:50,256 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:50,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:50,256 INFO L82 PathProgramCache]: Analyzing trace with hash 2145940021, now seen corresponding path program 1 times [2018-11-18 08:34:50,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:50,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:50,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:50,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:50,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:50,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:34:50,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:34:50,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:50,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:50,357 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand 6 states. [2018-11-18 08:34:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:50,541 INFO L93 Difference]: Finished difference Result 215 states and 239 transitions. [2018-11-18 08:34:50,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:34:50,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-11-18 08:34:50,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:50,543 INFO L225 Difference]: With dead ends: 215 [2018-11-18 08:34:50,543 INFO L226 Difference]: Without dead ends: 165 [2018-11-18 08:34:50,543 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:34:50,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-18 08:34:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 103. [2018-11-18 08:34:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-18 08:34:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions. [2018-11-18 08:34:50,551 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 34 [2018-11-18 08:34:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:50,552 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions. [2018-11-18 08:34:50,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:34:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2018-11-18 08:34:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:34:50,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:50,553 INFO L375 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] [2018-11-18 08:34:50,554 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:50,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1793071797, now seen corresponding path program 1 times [2018-11-18 08:34:50,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:50,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:50,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:50,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:50,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:50,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:34:50,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:34:50,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:34:50,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:50,703 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand 7 states. [2018-11-18 08:34:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:51,119 INFO L93 Difference]: Finished difference Result 284 states and 309 transitions. [2018-11-18 08:34:51,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 08:34:51,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-11-18 08:34:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:51,122 INFO L225 Difference]: With dead ends: 284 [2018-11-18 08:34:51,122 INFO L226 Difference]: Without dead ends: 282 [2018-11-18 08:34:51,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:34:51,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-11-18 08:34:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 120. [2018-11-18 08:34:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 08:34:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 133 transitions. [2018-11-18 08:34:51,129 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 133 transitions. Word has length 34 [2018-11-18 08:34:51,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:51,129 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 133 transitions. [2018-11-18 08:34:51,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:34:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2018-11-18 08:34:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 08:34:51,130 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:51,130 INFO L375 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] [2018-11-18 08:34:51,130 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:51,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:51,130 INFO L82 PathProgramCache]: Analyzing trace with hash 897772204, now seen corresponding path program 1 times [2018-11-18 08:34:51,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:51,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:51,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:51,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:51,161 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 08:34:51,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:34:51 BoogieIcfgContainer [2018-11-18 08:34:51,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:34:51,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:51,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:51,187 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:51,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:49" (3/4) ... [2018-11-18 08:34:51,190 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 08:34:51,224 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c0e8cb1-a821-4f60-9630-7189af9a4c16/bin-2019/uautomizer/witness.graphml [2018-11-18 08:34:51,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:51,225 INFO L168 Benchmark]: Toolchain (without parser) took 3023.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -223.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:51,226 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:51,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:51,227 INFO L168 Benchmark]: Boogie Preprocessor took 43.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:51,227 INFO L168 Benchmark]: RCFGBuilder took 474.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:51,228 INFO L168 Benchmark]: TraceAbstraction took 2126.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:51,228 INFO L168 Benchmark]: Witness Printer took 37.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:51,230 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2126.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 37.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L992] EXPR, FCALL malloc(sizeof(SLL)) [L992] SLL* list = malloc(sizeof(SLL)); [L993] FCALL list->next = ((void*)0) [L994] FCALL list->prev = ((void*)0) VAL [list={14:0}, malloc(sizeof(SLL))={14:0}] [L995] COND FALSE !(!(list != ((void*)0))) VAL [list={14:0}, malloc(sizeof(SLL))={14:0}] [L995] COND FALSE !(0) VAL [list={14:0}, malloc(sizeof(SLL))={14:0}] [L995] COND FALSE !(__VERIFIER_nondet_int()) [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL list->inner = malloc(sizeof(SLL)) [L995] EXPR, FCALL list->inner [L995] FCALL list->inner->next = ((void*)0) [L995] EXPR, FCALL list->inner [L995] FCALL list->inner->inner = ((void*)0) [L995] EXPR, FCALL list->inner [L995] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={14:0}, list->inner={15:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L995] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L995] COND FALSE !(0) VAL [list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L997] SLL* end = list; VAL [end={14:0}, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1011] end = ((void*)0) [L1012] end = list VAL [end={14:0}, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1015] COND FALSE !(!(((void*)0) != end)) VAL [end={14:0}, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1015] COND FALSE !(0) VAL [end={14:0}, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1017] COND TRUE ((void*)0) != end [L1019] int len = 0; [L1020] EXPR, FCALL end->inner [L1020] SLL* inner = end->inner; [L1021] COND TRUE ((void*)0) != inner VAL [end={14:0}, inner={15:0}, len=0, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1023] COND TRUE len == 0 [L1024] len = 1 VAL [end={14:0}, inner={15:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1027] COND FALSE !(!(((void*)0) != inner)) VAL [end={14:0}, inner={15:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1027] COND FALSE !(0) VAL [end={14:0}, inner={15:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1028] EXPR, FCALL inner->inner VAL [end={14:0}, inner={15:0}, inner->inner={0:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1028] COND FALSE !(!(((void*)0) == inner->inner)) [L1028] COND FALSE !(0) VAL [end={14:0}, inner={15:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1029] EXPR, FCALL inner->next VAL [end={14:0}, inner={15:0}, inner->next={0:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] [L1029] COND TRUE !(((void*)0) != inner->next) [L1029] __VERIFIER_error() VAL [end={14:0}, inner={15:0}, len=1, list={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 99 locations, 13 error locations. UNSAFE Result, 2.0s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1077 SDtfs, 994 SDslu, 1509 SDs, 0 SdLazy, 557 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 429 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 45754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...